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Organism
  Plantae
   Viridiplantae
     Streptophyta
     Embryophyta
      Tracheophyta
        Spermatophytina
            Magnoliopsida
                  Asteranae
                    Gentianales
                           [Rubiales]
                            Rubiaceae
                                   [Dialypetalanthaceae]
                                   [Theligonaceae]
                                     Acrosynanthus
                                             Acrosynanthus trachyphyllus
                                     Acunaeanthus
                                             Acunaeanthus tinifolius
                                                   [Rondeletia tinifolia]
                                     Afrocanthium
                                             Afrocanthium mundianum
                                     Agouticarpa
                                             Agouticarpa grandistipula
                                     Aidia
                                             Aidia cochinchinensis
                                                   [Randia cochinchinensis]
                                             Aidia henryi
                                             Aidia racemosa
                                     Alberta
                                             Alberta magna
                                     Alibertia
                                             Alibertia edulis
                                     Allaeophania
                                     Allenanthus
                                     Alseis
                                             Alseis hondurensis
                                             Alseis yucatanensis
                                     Amaioua
                                             Amaioua glomerulata
                                                   [Amaioua corymbosa]
                                             Amaioua guianensis
                                                   [Amaioua guianensis var. macrantha]
                                     Amaracarpus
                                             Amaracarpus nematopodus
                                                   [Psychotria nematopoda]
                                             Amaracarpus pubescens
                                     Amphiasma
                                             Amphiasma benguellense
                                     Anisomeris
                                     Anotis
                                     Anthospermum
                                             Anthospermum esterhuysenianum
                                             Anthospermum herbaceum
                                             Anthospermum hispidulum
                                             Anthospermum rigidum
                                               Anthospermum rigidum subsp. pumilum
                                     Antirhea
                                             Antirhea borbonica
                                             Antirhea inconspicua
                                             Antirhea madagascariensis
                                             Antirhea myrtoides
                                             Antirhea putaminosa
                                             Antirhea tenuiflora
                                     Aparinanthus
                                     Aparine
                                     Aparinella
                                     Appunia
                                             Appunia guatemalensis
                                                   [Morinda guatemalensis]
                                             Appunia seibertii
                                     Arachnothryx
                                             Arachnothryx bertieroides
                                                   [Rondeletia kirkbridei]
                                             Arachnothryx buddleioides
                                                   [Rondeletia buddleioides]
                                             Arachnothryx capitellata
                                                   [Rondeletia capitellata]
                                               Arachnothryx capitellata subsp. pringlei
                                                     [Arachnothryx pringlei]
                                             Arachnothryx chiapensis
                                                   [Otocalyx chiapensis]
                                                   [Rondeletia brandegeeana]
                                             Arachnothryx chimboracensis
                                             Arachnothryx costaricensis
                                                   [Rondeletia costaricensis]
                                             Arachnothryx ginetteae
                                             Arachnothryx guerrerensis
                                                   [Rondeletia guerrerensis]
                                             Arachnothryx heteranthera
                                                   [Rondeletia heteranthera]
                                             Arachnothryx jurgensenii
                                                   [Deppea macrocarpa]
                                             Arachnothryx laniflora
                                             Arachnothryx leucophylla
                                                   [Rondeletia leucophylla]
                                             Arachnothryx linguiformis
                                             Arachnothryx nitida
                                             Arachnothryx ovandensis
                                                   [Arachnothryx armentalis]
                                             Arachnothryx pyramidalis
                                                   [Rondeletia pyramidalis]
                                             Arachnothryx reflexa
                                             Arachnothryx scabra
                                                   [Rondeletia mexiae]
                                             Arachnothryx secundiflora
                                             Arachnothryx skutchii
                                             Arachnothryx stachyoidea
                                                   [Rondeletia stachyoidea]
                                             Arachnothryx tacanensis
                                                   [Rondeletia tacanensis]
                                             Arachnothryx venezuelensis
                                             Arachnothryx villosa
                                     Arcytophyllum
                                             Arcytophyllum fasciculatum
                                                   [Hedyotis intricata]
                                                   [Houstonia fasciculata]
                                             Arcytophyllum filiforme
                                                   [Hedyotis microphylla]
                                             Arcytophyllum serpyllaceum
                                                   [Hedyotis serpyllacea]
                                             Arcytophyllum thymifolium
                                     Aspera
                                     Asperula
                                             Asperula arvensis
                                             Asperula cynanchica
                                             Asperula gemella
                                             Asperula hirsuta
                                             Asperula orientalis
                                                   [Asperula azurea]
                                                   [Sherardia orientalis]
                                             Asperula pubescens
                                                   [Asperula incana]
                                             Asperula purpurea
                                             Asperula pusilla
                                             Asperula seticornis
                                             Asperula sintenisii
                                             Asperula tournefortii
                                                   [Asperula majori]
                                     Asterophyllum
                                     Astiella
                                             Astiella latifolia
                                             Astiella perrieri
                                             Astiella tsaratanensis
                                     Atractocarpus
                                             Atractocarpus benthamianus
                                                   [Randia benthamiana]
                                             Atractocarpus chartaceus
                                                   [Randia chartacea]
                                             Atractocarpus crosbyi
                                                   [Porterandia crosbyi]
                                             Atractocarpus fitzalanii
                                                   [Randia fitzalanii]
                                             Atractocarpus hirtus
                                                   [Randia hirta]
                                             Atractocarpus obscurinervius
                                                   [Sulitia longiflora]
                                             Atractocarpus sessilis
                                                   [Randia sessilis]
                                     Augusta
                                             Augusta rivalis
                                                   [Lindenia rivalis]
                                     Badusa
                                             Badusa corymbifera
                                     Balmea
                                             Balmea stormiae
                                                   [Balmea stormae]
                                     Basanacantha
                                     Bataprine
                                     Bellizinca
                                     Benkara
                                             Benkara forrestii
                                     Bertiera
                                             Bertiera guianensis
                                     Bikkia
                                             Bikkia palauensis
                                             Bikkia tetrandra
                                     Blepharidium
                                             Blepharidium guatemalense
                                                   [Blepharidium mexicanum]
                                     Bobea
                                             Bobea brevipes
                                                   [Bobea elatior var. brevipes]
                                                   [Bobea mannii]
                                             Bobea elatior
                                                   [Bobea elatior var. molokaiensis]
                                                   [Bobea gaudichaudii]
                                                   [Bobea platypes]
                                             Bobea sandwicensis
                                                   [Bobea hookeri]
                                             Bobea timonioides
                                     Borreria
                                             Borreria capitata
                                             Borreria krapocarmeniana
                                     Bothriospora
                                             Bothriospora corymbosa
                                     Bouvardia
                                             Bouvardia bouvardioides
                                             Bouvardia capitata
                                             Bouvardia chrysantha
                                             Bouvardia cordifolia
                                             Bouvardia dictyoneura
                                             Bouvardia erecta
                                             Bouvardia glabra
                                                   [Bouvardia induta]
                                                   [Bouvardia purpusii]
                                             Bouvardia hintoniorum
                                             Bouvardia karwinskyi
                                             Bouvardia laevis
                                             Bouvardia leiantha
                                             Bouvardia loeseneriana
                                             Bouvardia longiflora
                                                   [Bouvardia humboldtii]
                                             Bouvardia multiflora
                                                   [Bouvardia cavanillesii]
                                                   [Bouvardia gracilis]
                                                   [Bouvardia macrantha]
                                                   [Bouvardia salvadorensis]
                                             Bouvardia obovata
                                             Bouvardia quinquenervata
                                             Bouvardia rosei
                                             Bouvardia scabra
                                             Bouvardia standleyana
                                             Bouvardia tenuifolia
                                             Bouvardia ternifolia
                                                   [Bouvardia glaberrima]
                                                   [Bouvardia scabrida]
                                                   [Bouvardia triphylla]
                                             Bouvardia viminalis
                                             Bouvardia xestosperma
                                                   [Hedyotis xestosperma]
                                                   [Oldenlandia xestosperma]
                                     Brachytome
                                             Brachytome hirtellata
                                             Brachytome wallichii
                                     Bremeria
                                             Bremeria erectiloba
                                     Breonia
                                           [Anthocephalus]
                                             Breonia fragifera
                                             Breonia madagascariensis
                                             Breonia perrieri
                                             Breonia sambiranensis
                                     Burchellia
                                             Burchellia bubalina
                                                   [Burchellia capensis]
                                     Calycophyllum
                                             Calycophyllum candidissimum
                                                   [Macrocnemum candidissimum]
                                             Calycophyllum megistocaulum
                                     Canephora
                                             Canephora madagascariensis
                                     Canthium
                                             Canthium coffeoides
                                             Canthium inerme
                                             Canthium merrillii
                                             Canthium parvifolium
                                     Capirona
                                             Capirona decorticans
                                                   [Capirona wurdackii]
                                                   [Loretoa peruviana]
                                     Carapichea
                                             Carapichea ipecacuanha
                                                   [Cephaelis ipecacuanha]
                                                   [Psychotria ipecacuanha]
                                     Carterella
                                             Carterella alexanderae
                                                   [Bouvardia alexanderae]
                                     Casasia
                                             Casasia clusiifolia
                                                   [Genipa clusiifolia]
                                                   [Randia clusiifolia]
                                     Catesbaea
                                             Catesbaea grayi
                                             Catesbaea holacantha
                                             Catesbaea melanocarpa
                                             Catesbaea parviflora
                                     Catunaregam
                                             Catunaregam spinosa
                                                   [Randia spinosa]
                                     Cephalanthus
                                             Cephalanthus glabratus
                                             Cephalanthus occidentalis
                                                   [Cephalanthus hansenii]
                                                   [Cephalanthus occidentalis subsp. californicus]
                                                   [Cephalanthus occidentalis var. californicus]
                                                   [Cephalanthus occidentalis var. pubescens]
                                               Cephalanthus occidentalis var. occidentalis
                                             Cephalanthus salicifolius
                                                   [Cephalanthus occidentalis var. salicifolius]
                                     Ceratopyxis
                                             Ceratopyxis verbenacea
                                     Chamisme
                                     Chapelieria
                                     Chassalia
                                             Chassalia acutiflora
                                             Chassalia princei
                                             Chassalia ternifolia
                                     Chimarrhis
                                             Chimarrhis glabriflora
                                             Chimarrhis hookeri
                                     Chiococca
                                             Chiococca alba
                                                   [Chiococca bermudiana]
                                                   [Chiococca micrantha]
                                                   [Chiococca parvifolia]
                                                   [Chiococca pinetorum]
                                                   [Chiococca pubescens var. peninsularis]
                                                   [Chiococca pubescens]
                                                   [Chiococca racemosa]
                                                   [Lonicera alba]
                                             Chiococca belizensis
                                             Chiococca pachyphylla
                                             Chiococca petrina
                                             Chiococca phaenostemon
                                             Chiococca sessilifolia
                                     Chione
                                             Chione venosa
                                               Chione venosa var. cubensis
                                                     [Chione elliptica]
                                               Chione venosa var. venosa
                                                     [Chione costaricensis]
                                     Chomelia
                                             Chomelia barbata
                                             Chomelia brachypoda
                                                   [Anisomeris brachypoda]
                                             Chomelia crassifolia
                                             Chomelia microloba
                                             Chomelia obtusa
                                                   [Anisomeris obtusa var. inermis]
                                                   [Anisomeris obtusa]
                                             Chomelia pringlei
                                             Chomelia spinosa
                                                   [Anisomeris purpusii]
                                     Ciliosemina
                                             Ciliosemina pedunculata
                                                   [Remijia peruviana]
                                     Cinchona
                                             Cinchona calisaya
                                                   [Cinchona ledgeriana]
                                             Cinchona officinalis
                                             Cinchona pubescens
                                                   [Cinchona purpurea]
                                                   [Cinchona succirubra]
                                     Clavenna
                                     Coccocypselum
                                             Coccocypselum aureum
                                             Coccocypselum cordifolium
                                             Coccocypselum guianense
                                                   [Coccocypselum hirsutum var. glabrum]
                                             Coccocypselum hasslerianum
                                             Coccocypselum herbaceum
                                                   [Tontanea herbacea]
                                             Coccocypselum hirsutum
                                     Coddia
                                             Coddia rudis
                                                   [Randia rudis]
                                     Coelospermum
                                             Coelospermum truncatum
                                                   [Coelospermum kanehirae]
                                     Coffea
                                             Coffea abbayesii
                                             Coffea ankaranensis
                                             Coffea arabica
                                             Coffea arenesiana
                                             Coffea augagneurii
                                             Coffea benghalensis
                                             Coffea bertrandii
                                             Coffea boiviniana
                                             Coffea bonnieri
                                             Coffea canephora
                                                   [Coffea robusta]
                                             Coffea congensis
                                             Coffea coursiana
                                             Coffea dubardii
                                             Coffea heimii
                                             Coffea homollei
                                             Coffea jumellei
                                             Coffea kianjavatensis
                                             Coffea lancifolia
                                             Coffea leroyi
                                             Coffea liberica
                                                   [Coffea dewevrei]
                                                   [Coffea excelsa]
                                               Coffea liberica subsp. dewevrei
                                                     [Coffea dybowskii]
                                               Coffea liberica subsp. liberica
                                                     [Coffea abeokutae]
                                             Coffea mangoroensis
                                             Coffea mcphersonii
                                             Coffea millotii
                                                   [Coffea ambodirianaensis]
                                             Coffea moratii
                                             Coffea perrieri
                                             Coffea pervilleana
                                             Coffea resinosa
                                             Coffea richardii
                                             Coffea stenophylla
                                             Coffea tetragona
                                             Coffea travancorensis
                                             Coffea tricalysioides
                                                   [Coffea tsaratanensis]
                                             Coffea tsirananae
                                             Coffea vianneyi
                                             Coffea wightiana
                                     Colleteria
                                             Colleteria seminervis
                                                   [Chione seminervis]
                                     Condaminea
                                             Condaminea corymbosa
                                     Coprosma
                                             Coprosma acerosa
                                                   [Coprosma brunnea]
                                             Coprosma areolata
                                             Coprosma baueri
                                             Coprosma colensoi
                                             Coprosma cordicarpa
                                             Coprosma cuneata
                                             Coprosma cymosa
                                             Coprosma elliptica
                                             Coprosma ernodeoides
                                                   [Coprosma ernodeoides var. mauiensis]
                                             Coprosma faurei
                                             Coprosma foliosa
                                                   [Coprosma faurei var. lanaiensis]
                                                   [Coprosma fauriei var. lanaiensis]
                                                   [Coprosma fauriei var. oahuensis]
                                                   [Coprosma fauriei]
                                                   [Coprosma skottsbergiana]
                                                   [Coprosma stephanocarpa]
                                             Coprosma grandifolia
                                             Coprosma hirtella
                                             Coprosma kauensis
                                             Coprosma kirkii
                                             Coprosma longifolia
                                                   [Coprosma longifolia var. oppositifolia]
                                             Coprosma lucida
                                             Coprosma macrocarpa
                                             Coprosma menziesii
                                             Coprosma montana
                                                   [Coprosma montana var. crassa]
                                                   [Coprosma montana var. orbicularis]
                                             Coprosma nitida
                                             Coprosma ochracea
                                                   [Coprosma ochracea var. kaalae]
                                                   [Coprosma ochracea var. rockiana]
                                                   [Coprosma pubens var. sessiliflora]
                                             Coprosma oliveri
                                             Coprosma petriei
                                             Coprosma prisca
                                             Coprosma pseudocuneata
                                             Coprosma pubens
                                                   [Coprosma serrata]
                                             Coprosma pumila
                                             Coprosma putida
                                             Coprosma repens
                                             Coprosma rhynchocarpa
                                             Coprosma rigida
                                             Coprosma robusta
                                             Coprosma rugosa
                                             Coprosma spathulata
                                             Coprosma tenuifolia
                                             Coprosma ternata
                                             Coprosma waimeae
                                             Coprosma × molokaiensis
                                     Coptosperma
                                           [Enterospermum]
                                             Coptosperma nigrescens
                                             Coptosperma rhodesiacum
                                                   [Tarenna zimbabwensis]
                                             Coptosperma supra-axillare
                                     Cordiera
                                             Cordiera concolor
                                               Cordiera concolor var. concolor
                                             Cordiera hadrantha
                                             Cordiera macrophylla
                                                   [Alibertia verrucosa]
                                     Corynanthe
                                             Corynanthe mayumbensis
                                     Cosmibuena
                                             Cosmibuena matudae
                                     Cosmocalyx
                                             Cosmocalyx spectabilis
                                     Coussarea
                                             Coussarea brevicaulis
                                             Coussarea cerroazulensis
                                             Coussarea contracta
                                                   [Faramea hassleriana]
                                             Coussarea hirticalyx
                                             Coussarea imitans
                                             Coussarea klugii
                                             Coussarea machadoana
                                             Coussarea megalocarpa
                                             Coussarea pilosiflora
                                             Coussarea platyphylla
                                                   [Coussarea platyphylla var. longiflora]
                                                   [Coussarea platyphylla var. vestita]
                                     Coutaportla
                                             Coutaportla ghiesbreghtiana
                                                   [Portlandia ghiesbreghtiana]
                                             Coutaportla guatemalensis
                                     Coutarea
                                             Coutarea hexandra
                                                   [Coutarea hexandra var. fluminensis]
                                     Craterispermum
                                             Craterispermum laurinum
                                     Crucianella
                                             Crucianella angustifolia
                                                   [Rubeola angustifolia]
                                             Crucianella maritima
                                             Crucianella patula
                                     Cruciata
                                             Cruciata glabra
                                               Cruciata glabra subsp. glabra
                                                     [Galium vernum]
                                             Cruciata laevipes
                                                   [Galium cruciata]
                                                   [Galium laevipes]
                                             Cruciata pedemontana
                                                   [Galium pedemontanum]
                                                   [Vaillantia pedemontana]
                                     Cruckshanksia
                                             Cruckshanksia hymenodon
                                     Crusea
                                             Crusea andersoniorum
                                             Crusea calcicola
                                             Crusea calocephala
                                                   [Crusea elata]
                                             Crusea coccinea
                                               Crusea coccinea var. breviloba
                                               Crusea coccinea var. coccinea
                                             Crusea coronata
                                             Crusea diversifolia
                                                   [Crusea subulata]
                                             Crusea hispida
                                               Crusea hispida var. grandiflora
                                                     [Crusea grandiflora]
                                               Crusea hispida var. hispida
                                             Crusea longiflora
                                                   [Crusea brachyphylla]
                                                   [Crusea chiapensis]
                                             Crusea lucida
                                                   [Crusea gentryi]
                                             Crusea megalocarpa
                                             Crusea parviflora
                                             Crusea psyllioides
                                                   [Borreria auriculata]
                                                   [Crusea palmeri]
                                             Crusea setosa
                                                   [Borreria chiapensis]
                                             Crusea wrightii
                                               Crusea wrightii var. angustifolia
                                               Crusea wrightii var. wrightii
                                     Cyanoneuron
                                             Cyanoneuron pubescens
                                                   [Hedyotis pendula]
                                     Cyclophyllum
                                             Cyclophyllum barbatum
                                                   [Cyclophyllum marquesense]
                                                   [Plectronia barbata]
                                             Cyclophyllum coprosmoides
                                                   [Canthium coprosmoides]
                                             Cyclophyllum costatum
                                                   [Canthium costatum]
                                     Damnacanthus
                                             Damnacanthus indicus
                                     Debia
                                             Debia ovatifolia
                                                   [Hedyotis ovatifolia]
                                     Declieuxia
                                             Declieuxia dasyphylla
                                             Declieuxia deltoidea
                                             Declieuxia fruticosa
                                                   [Houstonia fruticosa]
                                             Declieuxia hatschbachii
                                             Declieuxia saturejoides
                                     Dendrosipanea
                                             Dendrosipanea revoluta
                                     Denscantia
                                             Denscantia monodon
                                                   [Borreria monodon]
                                     Dentella
                                             Dentella repens
                                     Deppea
                                             Deppea amaranthina
                                             Deppea anisophylla
                                             Deppea cornifolia
                                             Deppea erythrorhiza
                                             Deppea grandiflora
                                             Deppea guerrerensis
                                             Deppea hamelioides
                                             Deppea inaequalis
                                             Deppea martinez-calderonii
                                             Deppea microphylla
                                             Deppea oaxacana
                                             Deppea obtusiflora
                                             Deppea pubescens
                                             Deppea purpurascens
                                             Deppea purpusii
                                             Deppea scoti
                                                   [Bellizinca scoti]
                                             Deppea splendens
                                             Deppea umbellata
                                     Didymaea
                                             Didymaea alsinoides
                                             Didymaea linearis
                                             Didymaea mexicana
                                                   [Didymaea floribunda]
                                     Didymochlamys
                                             Didymochlamys whitei
                                     Dimetia
                                             Dimetia capitellata
                                                   [Hedyotis capitellata]
                                             Dimetia scandens
                                                   [Hedyotis scandens]
                                     Diodella
                                             Diodella apiculata
                                                   [Diodella rigida]
                                                   [Diodia apiculata]
                                                   [Diodia rigida]
                                             Diodella radula
                                                   [Diodia radula]
                                             Diodella sarmentosa
                                                   [Diodia maritima]
                                                   [Diodia sarmentosa]
                                                   [Spermacoce serrulata]
                                     Diodia
                                             Diodia macrophylla
                                             Diodia serrulata
                                             Diodia teres
                                                   [Diodella teres]
                                                   [Diodia teres var. teres]
                                             Diodia virginiana
                                               Diodia virginiana var. attenuata
                                               Diodia virginiana var. latifolia
                                               Diodia virginiana var. virginiana
                                                     [Diodia harperi]
                                                     [Diodia hirsuta]
                                                     [Diodia tetragona]
                                     Diplospora
                                             Diplospora sorsogonensis
                                                   [Tricalysia sorsogonensis]
                                     Discospermum
                                           [Xantonnea]
                                             Discospermum parvifolium
                                                   [Xantonnea parvifolia]
                                             Discospermum sphaerocarpum
                                                   [Tricalysia dalzellii]
                                     Ditrichanthus
                                             Ditrichanthus seemannii
                                                   [Palicourea mexiae]
                                     Dolicholobium
                                             Dolicholobium oblongifolium
                                                   [Dolicholobium oblongifolium var. degeneri]
                                             Dolicholobium philippinense
                                                   [Dolicholobium hirsutum]
                                     Dolichopentas
                                             Dolichopentas longiflora
                                                   [Pentas longiflora]
                                     Donnellyanthus
                                             Donnellyanthus deamii
                                                   [Arachnothryx deamii]
                                                   [Bouvardia deamii]
                                                   [Rondeletia deamii]
                                     Dorisia
                                     Duggena
                                     Duroia
                                             Duroia hirsuta
                                             Duroia longifolia
                                     Edrastima
                                             Edrastima goreensis
                                     Elaeagia
                                     Empogona
                                             Empogona lanceolata
                                                   [Tricalysia lanceolata]
                                     Erithalis
                                             Erithalis fruticosa
                                                   [Erithalis revoluta]
                                             Erithalis odorifera
                                                   [Erithalis odorifer]
                                             Erithalis vacciniifolia
                                     Ernodea
                                             Ernodea cokeri
                                             Ernodea littoralis
                                                   [Ernodea angusta]
                                                   [Ernodea littoralis var. angusta]
                                     Eumachia
                                             Eumachia astrellantha
                                                   [Psychotria astrellantha]
                                             Eumachia boliviana
                                                   [Psychotria turboensis]
                                             Eumachia montana
                                     Exallage
                                             Exallage auricularia
                                                   [Hedyotis auricularia]
                                             Exallage chrysotricha
                                                   [Hedyotis chrysotricha]
                                     Exostema
                                             Exostema caribaeum
                                                   [Cinchona caribaea]
                                             Exostema ellipticum
                                             Exostema longiflorum
                                             Exostema mexicanum
                                             Exostema sanctae-luciae
                                     Fadogia
                                             Fadogia tetraquetra
                                               Fadogia tetraquetra var. tetraquetra
                                     Faramea
                                             Faramea ampla
                                             Faramea axillaris
                                             Faramea brachysiphon
                                             Faramea calophylla
                                                   [Faramea jefensis]
                                             Faramea cobana
                                             Faramea dichotoma
                                             Faramea eurycarpa
                                             Faramea glandulosa
                                             Faramea maguirei
                                             Faramea oblongifolia
                                             Faramea occidentalis
                                                   [Ixora occidentalis]
                                             Faramea quinqueflora
                                             Faramea suerrensis
                                             Faramea torquata
                                                   [Faramea rectinervia]
                                     Fosbergia
                                             Fosbergia shweliensis
                                     Gaertnera
                                             Gaertnera arenaria
                                             Gaertnera macrostipula
                                             Gaertnera microphylla
                                             Gaertnera obovata
                                             Gaertnera pauciflora
                                             Gaertnera phyllosepala
                                             Gaertnera phyllostachya
                                             Gaertnera raphaelii
                                     Galianthe
                                             Galianthe brasiliensis
                                                   [Diodia brasiliensis]
                                                   [Spermacoce ambigua]
                                               Galianthe brasiliensis subsp. angulata
                                                     [Diodia brasiliensis var. angulata]
                                                     [Galianthe angulata]
                                             Galianthe chodatiana
                                                   [Borreria thalictroides var. latifolia]
                                             Galianthe cyperoides
                                                   [Borreria leiophylla var. expansa]
                                             Galianthe fastigiata
                                                   [Borreria leiophylla]
                                             Galianthe guaranitica
                                                   [Borreria guaranitica]
                                             Galianthe hassleriana
                                                   [Borreria hassleriana f. angustifolia]
                                                   [Borreria hassleriana f. latifolia]
                                                   [Borreria hassleriana]
                                             Galianthe laxa
                                               Galianthe laxa subsp. paraguariensis
                                                     [Borreria paraguariensis f. latifolia]
                                                     [Borreria paraguariensis]
                                             Galianthe thalictroides
                                                   [Borreria thalictroides]
                                     Galion
                                     Galium
                                             Galium adhaerens
                                             Galium agreste
                                             Galium album
                                             Galium ambiguum
                                               Galium ambiguum subsp. ambiguum
                                                     [Galium ambiguum var. ambiguum]
                                               Galium ambiguum subsp. siskiyouense
                                                     [Galium ambiguum var. siskiyouense]
                                             Galium andrewsii
                                               Galium andrewsii subsp. andrewsii
                                                     [Galium andrewsii var. andrewsii]
                                               Galium andrewsii subsp. gatense
                                                     [Galium andrewsii var. gatense]
                                               Galium andrewsii subsp. intermedium
                                               Galium andrewsii var. andrewsii
                                             Galium angulosum
                                             Galium angustifolium
                                               Galium angustifolium subsp. angustifolium
                                                     [Galium angustifolium var. angustifolium]
                                                     [Galium angustifolium var. bernardinum]
                                                     [Galium angustifolium var. diffusum]
                                                     [Galium angustifolium var. siccatum]
                                                     [Galium angustifolium var. typicum]
                                                     [Galium siccatum]
                                                     [Galium trichocarpum]
                                               Galium angustifolium subsp. borregoense
                                               Galium angustifolium subsp. foliosum
                                                     [Galium angustifolium var. foliosum]
                                               Galium angustifolium subsp. gabrielense
                                                     [Galium gabrielense]
                                                     [Galium siccatum var. anotinum]
                                               Galium angustifolium subsp. gracillimum
                                               Galium angustifolium subsp. jacinticum
                                               Galium angustifolium subsp. nudicaule
                                               Galium angustifolium subsp. onycense
                                                     [Galium angustifolium var. onycense]
                                               Galium angustifolium var. angustifolium
                                             Galium aparine
                                                   [Aparine vulgaris]
                                                   [Asperula aparine var. aparine]
                                                   [Asperula aparine]
                                                   [Asterophyllum aparine]
                                                   [Galion aparinum]
                                                   [Galium agreste var. echinospermum]
                                                   [Galium aparine var. echinospermum]
                                                   [Galium aparine var. intermedium]
                                                   [Galium aparine var. minor]
                                                   [Galium aparine var. vaillantii]
                                                   [Galium spurium var. echinospermum]
                                                   [Galium vaillantii]
                                                   [Rubia aparine]
                                               Galium aparine var. aparine
                                             Galium arequipicum
                                             Galium argense
                                             Galium aristatum
                                             Galium arkansanum
                                                   [Galium arkansanum var. pubiflorum]
                                             Galium aschenbornii
                                             Galium asperifolium
                                             Galium asprellum
                                             Galium bermudense
                                                   [Bataprine hispidula]
                                                   [Galium carolinianum]
                                                   [Galium hispidulum]
                                                   [Galium hispidum]
                                                   [Galium peregrina]
                                                   [Rubia brownei]
                                                   [Rubia walteri]
                                             Galium bifolium
                                             Galium blinii
                                             Galium bolanderi
                                                   [Galium arcuatum]
                                                   [Galium culbertsonii]
                                                   [Galium margaricoccum]
                                                   [Galium pubens var. scabridum]
                                                   [Galium pubens]
                                                   [Galium subscabridum]
                                             Galium boreale
                                                   [Aparine borealis]
                                                   [Galium boreale subsp. septentrionale]
                                                   [Galium boreale var. boreale]
                                                   [Galium boreale var. hyssopifolium]
                                                   [Galium boreale var. intermedium]
                                                   [Galium boreale var. linearifolium]
                                                   [Galium boreale var. scabrum]
                                                   [Galium boreale var. septentrionale]
                                                   [Galium boreale var. septentrionalis]
                                                   [Galium boreale var. typicum]
                                                   [Galium hyssopifolium]
                                                   [Galium septentrionale]
                                                   [Galium strictum]
                                                   [Galium utahense]
                                                   [Rubia borealis]
                                                   [Trichogalium boreale]
                                             Galium boyacanum
                                             Galium bungei
                                             Galium buxifolium
                                                   [Galium catalinense subsp. buxifolium]
                                                   [Galium catalinense var. buxifolium]
                                             Galium californicum
                                               Galium californicum subsp. californicum
                                                     [Galium californicum var. californicum]
                                               Galium californicum subsp. flaccidum
                                                     [Galium californicum var. crebrifolium]
                                                     [Galium californicum var. typicum]
                                                     [Galium flaccidum]
                                                     [Galium occidentale]
                                               Galium californicum subsp. luciense
                                               Galium californicum subsp. maritimum
                                               Galium californicum subsp. miguelense
                                                     [Galium californicum var. miguelense]
                                               Galium californicum subsp. primum
                                               Galium californicum subsp. sierrae
                                             Galium carmenicola
                                             Galium carterae
                                             Galium catalinense
                                               Galium catalinense subsp. acrispum
                                               Galium catalinense subsp. catalinense
                                                     [Galium catalinense var. catalinense]
                                             Galium circaezans
                                               Galium circaezans var. circaezans
                                                     [Galium circaeoides]
                                                     [Galium circaezans var. glabellum]
                                                     [Galium circaezans var. glabrum]
                                                     [Galium circaezans var. typicum]
                                                     [Galium rotundifolium var. circaezans]
                                               Galium circaezans var. hypomalacum
                                             Galium clementis
                                             Galium cliftonsmithii
                                                   [Galium nuttallii var. cliftonsmithii]
                                             Galium collomiae
                                                   [Galium collomae]
                                             Galium coloradoense
                                                   [Galium multiflorum var. coloradoense]
                                             Galium columbianum
                                             Galium concinnum
                                             Galium coronadoense
                                             Galium correllii
                                             Galium corymbosum
                                                   [Relbunium ciliatum]
                                                   [Relbunium hirsutum]
                                             Galium desereticum
                                             Galium diabolense
                                             Galium divaricatum
                                                   [Galium parisiense subsp. divaricatum]
                                                   [Galium parisiense var. divaricatum]
                                                   [Galium parvifolium]
                                             Galium elegans
                                             Galium emeryense
                                               Galium emeryense subsp. emeryense
                                                     [Galium coloradoense var. scabriusculum]
                                                     [Galium hypotrichium subsp. scabriusculum]
                                                     [Galium scabriusculum subsp. scabriusculum]
                                                     [Galium scabriusculum]
                                               Galium emeryense subsp. protoscabriusculum
                                                     [Galium scabriusculum subsp. protoscabriusculum]
                                             Galium espiniacicum
                                             Galium exstipulatum
                                             Galium fendleri
                                             Galium fuscum
                                               Galium fuscum subsp. hypadenium
                                                     [Galium hypadenium]
                                             Galium galapagoense
                                             Galium gaudichaudii
                                             Galium glabrescens
                                               Galium glabrescens subsp. glabrescens
                                                     [Galium grayanum subsp. glabrescens]
                                               Galium glabrescens subsp. harticum
                                               Galium glabrescens subsp. josephinense
                                               Galium glabrescens subsp. modocense
                                             Galium glaucum
                                                   [Asperula galioides]
                                                   [Asperula glauca]
                                             Galium grande
                                                   [Galium pubens var. grande]
                                             Galium grayanum
                                               Galium grayanum subsp. grayanum
                                               Galium grayanum var. grayanum
                                                     [Galium grayanum subsp. grayanum]
                                               Galium grayanum var. nanum
                                             Galium hallii
                                             Galium hardhamae
                                                   [Galium hardhamiae]
                                             Galium hardhamiae
                                             Galium hatschbachii
                                             Galium hilendiae
                                                   [Galium hilendae]
                                               Galium hilendiae subsp. carneum
                                                     [Galium hilendae subsp. carneum]
                                                     [Galium munzii var. carneum]
                                               Galium hilendiae subsp. hilendiae
                                                     [Galium hilendae subsp. hilendae]
                                               Galium hilendiae subsp. kingstonense
                                                     [Galium hilendae subsp. kingstonense]
                                                     [Galium munzii var. kingstonense]
                                             Galium hoffmeisteri
                                             Galium humifusum
                                                   [Asperula humifusa]
                                             Galium hypocarpium
                                                   [Relbunium hypocarpium]
                                                   [Valantia hypocarpia]
                                               Galium hypocarpium subsp. hypocarpium
                                             Galium hypotrichium
                                               Galium hypotrichium subsp. ebbettsense
                                               Galium hypotrichium subsp. hypotrichium
                                                     [Galium hypotrichium var. hypotrichium]
                                               Galium hypotrichium subsp. inyoense
                                               Galium hypotrichium subsp. nevadense
                                               Galium hypotrichium subsp. subalpinum
                                                     [Galium multiflorum var. subalpinum]
                                                     [Galium munzii var. subalpinum]
                                               Galium hypotrichium subsp. tomentellum
                                                     [Galium hypotrichium var. tomentellum]
                                             Galium hypoxylon
                                             Galium hystricocarpum
                                             Galium iltisii
                                             Galium innocuum
                                             Galium insulare
                                             Galium intermedium
                                             Galium intricatum
                                             Galium japonicum
                                             Galium jepsonii
                                                   [Galium angustifolium var. subglabrum]
                                             Galium johnstonii
                                                   [Galium angustifolium var. pinetorum]
                                             Galium kamtschaticum
                                                   [Galium kamtischaticum]
                                             Galium killipii
                                             Galium labradoricum
                                                   [Galium tinctorium var. labradoricum]
                                             Galium lanceolatum
                                                   [Galium circaezans var. lanceolatum]
                                                   [Galium rotundifolium var. lanceolatum]
                                                   [Galium torreyi]
                                             Galium latifolium
                                                   [Galium latifolium var. hispidifolium]
                                                   [Galium latifolium var. hispidum]
                                             Galium leptum
                                             Galium liratum
                                             Galium litigiosum
                                             Galium lucidum
                                             Galium magnifolium
                                                   [Galium matthewsii var. magnifolium]
                                                   [Galium munzii f. glabrum]
                                             Galium mandonii
                                             Galium margaritaceum
                                             Galium martirense
                                             Galium matthewsii
                                             Galium maximowiczii
                                                   [Asperula platygalium var. pratensis]
                                             Galium mechudoense
                                             Galium megalanthum
                                             Galium mexicanum
                                               Galium mexicanum subsp. asperrimum
                                                     [Galium asperrimum]
                                                     [Galium mexicanum var. asperrimum]
                                               Galium mexicanum subsp. asperulum
                                                     [Galium asperrimum var. asperulum]
                                                     [Galium asperulum]
                                                     [Galium filipes]
                                                     [Galium mexicanum var. asperulum]
                                               Galium mexicanum subsp. flexicum
                                               Galium mexicanum subsp. mexicanum
                                             Galium microphyllum
                                                   [Galium nitens]
                                                   [Relbunium microphyllum var. setulosum]
                                                   [Relbunium microphyllum]
                                             Galium miguelense
                                             Galium mollugo
                                                   [Galium erectum]
                                                   [Galium mollugo subsp. erectum]
                                                   [Galium mollugo var. erectum]
                                                   [Rubia mollugo]
                                             Galium moranii
                                               Galium moranii subsp. aculeolatum
                                                     [Galium aculeolatum]
                                               Galium moranii subsp. moranii
                                             Galium multiflorum
                                                   [Galium bloomeri var. hirsutum]
                                                   [Galium bloomeri]
                                                   [Galium matthewsii var. scabridum]
                                                   [Galium multiflorum f. hirsutum]
                                                   [Galium multiflorum subsp. hirsutum]
                                                   [Galium multiflorum var. hirsutum]
                                                   [Galium multiflorum var. watsonii]
                                                   [Galium watsonii]
                                               Galium multiflorum var. multiflorum
                                             Galium munzii
                                                   [Galium munzii subsp. munzii]
                                               Galium munzii subsp. ambivalens
                                               Galium munzii var. munzii
                                             Galium murale
                                                   [Aparinanthus muralis]
                                                   [Aspera muralis]
                                                   [Sherardia muralis]
                                             Galium muricatum
                                                   [Galium chartaceum]
                                             Galium nabelekii
                                             Galium novoguineense
                                             Galium nuttallii
                                               Galium nuttallii subsp. insulare
                                               Galium nuttallii subsp. nuttallii
                                                     [Galium nuttallii var. nuttallii]
                                                     [Galium suffruticosum]
                                             Galium obtusum
                                               Galium obtusum subsp. australe
                                               Galium obtusum subsp. filifolium
                                                     [Galium filifolium]
                                                     [Galium obtusum var. filifolium]
                                                     [Galium tinctorium var. filifolium]
                                               Galium obtusum subsp. obtusum
                                                     [Galium obtusum var. ramosum]
                                                     [Galium trifidum var. latifolium]
                                               Galium obtusum var. obtusum
                                             Galium odoratum
                                                   [Asperula odorata]
                                             Galium oreganum
                                                   [Galium kamtschaticum subsp. oreganum]
                                                   [Galium kamtschaticum var. oreganum]
                                             Galium oresbium
                                             Galium orizabense
                                               Galium orizabense subsp. laevicaule
                                                     [Galium pilosum var. laevicaule]
                                             Galium palustre
                                             Galium papillosum
                                             Galium paradoxum
                                             Galium parishii
                                                   [Galium multiflorum var. parvifolium]
                                             Galium parisiense
                                                   [Aparine parisiensis]
                                                   [Aparinella parisiensis]
                                                   [Galium anglicum subsp. parisiense]
                                                   [Galium anglicum var. parvifolium]
                                                   [Galium anglicum]
                                                   [Galium litigiosum var. nanum]
                                                   [Galium parisiense subsp. anglicum]
                                                   [Galium parisiense subsp. parisiense]
                                                   [Galium parisiense subsp. parvifolium]
                                                   [Galium parisiense var. anglicum]
                                                   [Galium parisiense var. leiocarpum]
                                                   [Galium parisiense var. parisiense]
                                                   [Galium parisiense var. trichocarpum]
                                                   [Galium parisiense var. typicum]
                                             Galium pendulum
                                             Galium philippianum
                                             Galium pilosum
                                               Galium pilosum var. pilosum
                                                     [Galium puncticulosum var. pilosum]
                                               Galium pilosum var. puncticulosum
                                                     [Galium punctatum]
                                                     [Galium puncticulosum]
                                                     [Galium walteri]
                                             Galium porrigens
                                               Galium porrigens var. porrigens
                                                     [Galium nuttallii subsp. ovalifolium]
                                                     [Galium nuttallii var. ovalifolium]
                                               Galium porrigens var. tenue
                                                     [Galium nuttallii subsp. tenue]
                                                     [Galium nuttallii var. tenue]
                                             Galium praetermissum
                                             Galium pringlei
                                             Galium proliferum
                                                   [Galium proliferum var. subnudum]
                                                   [Galium virgatum var. diffusum]
                                             Galium pseudotriflorum
                                             Galium pumilum
                                             Galium quichense
                                             Galium radulifolium
                                             Galium rebae
                                             Galium rivale
                                             Galium rotundifolium
                                             Galium rubioides
                                             Galium rubrum
                                             Galium saxatile
                                             Galium schultesii
                                                   [Galium aristatum subsp. schultesii]
                                             Galium seatonii
                                             Galium serpenticum
                                               Galium serpenticum subsp. dayense
                                               Galium serpenticum subsp. malheurense
                                               Galium serpenticum subsp. okanoganense
                                               Galium serpenticum subsp. puberulum
                                                     [Galium multiflorum subsp. puberulum]
                                                     [Galium multiflorum var. puberulum]
                                                     [Galium watsonii subsp. puberulum]
                                               Galium serpenticum subsp. scabridum
                                                     [Galium watsonii f. scabridum]
                                               Galium serpenticum subsp. scotticum
                                               Galium serpenticum subsp. serpenticum
                                               Galium serpenticum subsp. warnerense
                                               Galium serpenticum subsp. wenatchicum
                                             Galium sparsiflorum
                                               Galium sparsiflorum subsp. glabrius
                                               Galium sparsiflorum subsp. sparsiflorum
                                             Galium sphagnophilum
                                                   [Galium sphagnophilum var. mazocarpum]
                                                   [Relbunium mazocarpum]
                                             Galium spurium
                                                   [Galium aparine subsp. spurium]
                                                   [Galium biflorum]
                                                   [Galium spurium subsp. spurium]
                                             Galium stellatum
                                                   [Galium stellatum subsp. eremicum]
                                                   [Galium stellatum var. eremicum]
                                               Galium stellatum subsp. stellatum
                                             Galium sylvaticum
                                             Galium texense
                                                   [Galium californicum var. texanum]
                                             Galium tinctorium
                                                   [Asperula tinctoria]
                                                   [Galium claytonii]
                                                   [Galium obtusum var. floridanum]
                                                   [Galium tinctorium subsp. floridanum]
                                                   [Galium tinctorium var. diversifolium]
                                                   [Galium tinctorium var. floridanum]
                                                   [Galium tinctorium var. tinctorium]
                                                   [Galium trifidum subsp. tinctorium]
                                                   [Galium trifidum var. tinctorium]
                                             Galium tricornutum
                                                   [Galium tricorne]
                                             Galium trifidum
                                                   [Galium trifidum subsp. trifidum]
                                                   [Galium trifidum var. trifidum]
                                               Galium trifidum subsp. brevipes
                                                     [Galium brevipes]
                                               Galium trifidum subsp. columbianum
                                                     [Galium cymosum]
                                                     [Galium trifidum subsp. pacificum]
                                                     [Galium trifidum var. pacificum]
                                               Galium trifidum subsp. halophilum
                                                     [Galium trifidum var. hallophilum]
                                                     [Galium trifidum var. halophilum]
                                               Galium trifidum subsp. subbiflorum
                                                     [Galium claytonii var. subbiflorum]
                                                     [Galium subbiflorum]
                                                     [Galium tinctorium var. subbiflorum]
                                                     [Galium trifidum var. pusillum]
                                                     [Galium trifidum var. subbiflorum]
                                             Galium triflorum
                                                   [Galium pennsylvanicum]
                                                   [Galium triflorum var. asprelliforme]
                                                   [Galium triflorum var. viridiflorum]
                                             Galium uliginosum
                                             Galium uncinulatum
                                                   [Galium uncinulatum var. obstipum]
                                             Galium uniflorum
                                                   [Bataprine uniflora]
                                             Galium valdepilosum
                                             Galium verrucosum
                                             Galium verum
                                                   [Asterophyllum galium]
                                                   [Galium verum subsp. euverum]
                                                   [Galium verum subsp. verum]
                                                   [Galium verum var. verum]
                                                   [Rubia vera]
                                               Galium verum var. wirtgenii
                                                     [Galium verum subsp. wirtgenii]
                                                     [Galium wirtgenii]
                                             Galium virgatum
                                                   [Galium virgatum var. leiocarpum]
                                             Galium volcanense
                                             Galium werdermannii
                                             Galium wigginsii
                                             Galium wrightii
                                                   [Galium frankliniense]
                                                   [Galium rothrockii]
                                                   [Galium wrightii var. latifolium]
                                                   [Galium wrightii var. rothrockii]
                                             Galium yunnanense
                                             Galium zabense
                                             Galium × pomeranicum
                                                   [Galium × ambiguum]
                                                   [Galium × ochroleucum]
                                     Gardenia
                                             Gardenia anapetes
                                             Gardenia brighamii
                                             Gardenia erubescens
                                             Gardenia gjellerupii
                                             Gardenia griffithii
                                                   [Gardenia dolichantha]
                                             Gardenia hainanensis
                                             Gardenia jasminoides
                                                   [Gardenia angusta]
                                                   [Gardenia augusta]
                                                   [Gardenia florida]
                                                   [Gardenia grandiflora]
                                             Gardenia mannii
                                                   [Gardenia mannii var. honoluluensis]
                                             Gardenia mutabilis
                                                   [Gardenia ramosii]
                                             Gardenia ovularis
                                             Gardenia remyi
                                             Gardenia rutenbergiana
                                             Gardenia taitensis
                                                   [Gardenia weissichii]
                                             Gardenia thunbergia
                                             Gardenia urvillei
                                             Gardenia volkensii
                                               Gardenia volkensii subsp. spathulifolia
                                                     [Gardenia spathulifolia]
                                     Genipa
                                             Genipa americana
                                                   [Genipa americana var. caruto]
                                                   [Genipa caruto]
                                     Geophila
                                             Geophila macropoda
                                             Geophila repens
                                                   [Geophila herbacea]
                                                   [Rondeletia repens]
                                     Glossostipula
                                             Glossostipula concinna
                                                   [Genipa vulcanicola]
                                                   [Randia concinna]
                                     Gomozia
                                     Gonzalagunia
                                             Gonzalagunia brachyantha
                                                   [Gonzalea petesia]
                                             Gonzalagunia cornifolia
                                             Gonzalagunia dependens
                                             Gonzalagunia discolor
                                             Gonzalagunia hirsuta
                                                   [Duggena hirsuta]
                                                   [Gonzalagunia spicata]
                                             Gonzalagunia killipii
                                                   [Gonzalagunia chionea]
                                             Gonzalagunia panamensis
                                             Gonzalagunia rosea
                                             Gonzalagunia sessilifolia
                                             Gonzalagunia sororia
                                             Gonzalagunia thyrsoidea
                                     Gonzalea
                                     Gouldia
                                     Greenea
                                             Greenea corymbosa
                                     Guettarda
                                             Guettarda brenesii
                                             Guettarda coatzacoalcensis
                                             Guettarda combsii
                                                   [Guettarda scabra var. seleriana]
                                             Guettarda crispiflora
                                               Guettarda crispiflora subsp. cobanensis
                                                     [Guettarda cobanensis]
                                               Guettarda crispiflora subsp. discolor
                                                     [Guettarda steyermarkii]
                                             Guettarda elliptica
                                                   [Guettarda reticulata]
                                             Guettarda filipes
                                             Guettarda foliacea
                                             Guettarda gaumeri
                                             Guettarda insularis
                                             Guettarda krugii
                                             Guettarda macrosperma
                                                   [Guettarda petenensis]
                                             Guettarda odorata
                                                   [Guettarda parviflora]
                                                   [Laugeria odorata]
                                             Guettarda ovalifolia
                                             Guettarda pungens
                                             Guettarda scabra
                                                   [Matthiola scabra]
                                             Guettarda speciosa
                                             Guettarda subcapitata
                                             Guettarda tikalana
                                             Guettarda valenzuelana
                                                   [Guettarda bracteata]
                                                   [Guettarda laevis]
                                     Gynochthodes
                                             Gynochthodes candollei
                                                   [Morinda candollei var. subvillosa]
                                                   [Morinda candollei]
                                             Gynochthodes elmeri
                                                   [Morinda elmeri]
                                             Gynochthodes jasminoides
                                                   [Morinda jasminoides]
                                             Gynochthodes myrtifolia
                                                   [Morinda myrtifolia]
                                             Gynochthodes oligantha
                                             Gynochthodes parvifolia
                                                   [Morinda parvifolia]
                                             Gynochthodes phyllireoides
                                                   [Morinda vieillardii]
                                             Gynochthodes retusa
                                                   [Morinda retusa]
                                             Gynochthodes rigida
                                                   [Morinda rigida]
                                             Gynochthodes trimera
                                                   [Morinda sandwicensis f. glabrata]
                                             Gynochthodes umbellata
                                                   [Morinda umbellata var. archboldiana]
                                     Hamelia
                                             Hamelia axillaris
                                             Hamelia barbata
                                             Hamelia calycosa
                                                   [Hamelia chiapensis]
                                                   [Hamelia klugii]
                                             Hamelia cuprea
                                             Hamelia macrantha
                                             Hamelia magnifolia
                                             Hamelia patens
                                                   [Hamelia erecta]
                                                   [Hamelia nodosa]
                                             Hamelia rostrata
                                                   [Hamelia versicolor]
                                             Hamelia rovirosae
                                             Hamelia sanguinea
                                             Hamelia xerocarpa
                                                   [Hamelia xerocarpa var. costaricensis]
                                             Hamelia xorullensis
                                     Hedyotis
                                             Hedyotis benguetensis
                                                   [Oldenlandia benguetensis]
                                             Hedyotis ceylanica
                                                   [Allaeophania decipiens]
                                             Hedyotis foetida
                                                   [Oldenlandia foetida]
                                               Hedyotis foetida var. mariannensis
                                                     [Hedyotis mariannensis]
                                                     [Oldenlandia mariannensis]
                                             Hedyotis fruticosa
                                             Hedyotis fruticulosa
                                             Hedyotis lawsoniae
                                             Hedyotis megalantha
                                             Hedyotis patens
                                             Hedyotis ponapensis
                                             Hedyotis rigida
                                               Hedyotis rigida var. rigida
                                               Hedyotis rigida var. tenuifolia
                                             Hedyotis scabridifolia
                                               Hedyotis scabridifolia var. stonei
                                             Hedyotis schlechteri
                                             Hedyotis stenophylla
                                             Hedyotis subvenosa
                                             Hedyotis uncinella
                                     Hemidiodia
                                     Hexasepalum
                                             Hexasepalum angustatum
                                                   [Diodia angustata]
                                             Hexasepalum angustifolium
                                                   [Diodella crassifolia]
                                                   [Diodia crassifolia]
                                             Hexasepalum apiculatum
                                                   [Diodia aspera]
                                                   [Diodia pulchella]
                                             Hexasepalum lippioides
                                                   [Diodia lippioides]
                                     Hexodontocarpus
                                     Hillia
                                             Hillia loranthoides
                                                   [Hillia macrocarpa]
                                             Hillia palmana
                                                   [Hillia hathewayi]
                                             Hillia panamensis
                                                   [Hillia chiapensis]
                                             Hillia parasitica
                                             Hillia tetrandra
                                             Hillia triflora
                                     Hindsia
                                             Hindsia longiflora
                                                   [Rondeletia longiflora]
                                     Hintonia
                                             Hintonia latiflora
                                                   [Hintonia latiflora var. leiantha]
                                             Hintonia octomera
                                             Hintonia standleyana
                                     Hippotis
                                             Hippotis tubiflora
                                                   [Hippotis wurdackii]
                                     Hodgkinsonia
                                             Hodgkinsonia frutescens
                                             Hodgkinsonia ovatiflora
                                     Hoffmania
                                     Hoffmannia
                                             Hoffmannia aphylla
                                             Hoffmannia arborescens
                                                   [Hoffmannia steinvorthii]
                                             Hoffmannia asclepiadea
                                             Hoffmannia cauliflora
                                             Hoffmannia conzattii
                                             Hoffmannia cryptoneura
                                             Hoffmannia cuneatissima
                                                   [Hoffmannia rosei]
                                             Hoffmannia discolor
                                             Hoffmannia dotae
                                             Hoffmannia excelsa
                                                   [Hoffmannia mexicana]
                                             Hoffmannia ghiesbreghtii
                                             Hoffmannia huehueteca
                                                   [Hoffmannia carlsoniae]
                                             Hoffmannia inamoena
                                             Hoffmannia ixtlanensis
                                             Hoffmannia latifolia
                                             Hoffmannia laxa
                                             Hoffmannia minuticarpa
                                             Hoffmannia nicotianifolia
                                                   [Hoffmannia lenticellata]
                                             Hoffmannia oaxacensis
                                             Hoffmannia obovata
                                             Hoffmannia parvifolia
                                             Hoffmannia phoenicopoda
                                             Hoffmannia pittieri
                                             Hoffmannia psychotriifolia
                                             Hoffmannia regalis
                                             Hoffmannia rotata
                                             Hoffmannia steyermarkii
                                             Hoffmannia subauriculata
                                             Hoffmannia vesciculifera
                                             Hoffmannia viridis
                                     Houstonia
                                             Houstonia acerosa
                                               Houstonia acerosa var. acerosa
                                                     [Hedyotis acerosa]
                                                     [Houstonia acerosa subsp. acerosa]
                                                     [Oldenlandia acerosa]
                                               Houstonia acerosa var. polypremoides
                                                     [Hedyotis acerosa var. bigelovii]
                                                     [Hedyotis acerosa var. polypremoides]
                                                     [Hedyotis polypremoides]
                                                     [Houstonia acerosa subsp. polypremoides]
                                                     [Houstonia polypremoides var. bigelovii]
                                                     [Houstonia polypremoides]
                                             Houstonia caerulea
                                                   [Hedyotis caerulea f. albiflora]
                                                   [Hedyotis caerulea f. benkei]
                                                   [Hedyotis caerulea var. caerulea]
                                                   [Hedyotis caerulea]
                                                   [Houstonia caerulea var. faxonorum]
                                             Houstonia canadensis
                                                   [Hedyotis canadensis]
                                                   [Hedyotis longifolia var. ciliolata]
                                                   [Hedyotis purpurea var. ciliolata]
                                                   [Hedyotis purpurea var. setiscaphia]
                                                   [Houstonia canadensis var. setiscaphia]
                                                   [Houstonia ciliolata]
                                                   [Houstonia setiscaphia]
                                             Houstonia correllii
                                                   [Hedyotis correllii]
                                             Houstonia croftiae
                                                   [Hedyotis croftiae]
                                             Houstonia greenei
                                                   [Hedyotis greenei]
                                                   [Oldenlandia greenei]
                                             Houstonia humifusa
                                                   [Hedyotis humifusa]
                                                   [Oldenlandia humifusa]
                                             Houstonia longifolia
                                                   [Hedyotis longifolia var. tenuifolia]
                                                   [Hedyotis longifolia]
                                                   [Hedyotis nuttalliana]
                                                   [Hedyotis purpurea var. longifolia]
                                                   [Hedyotis purpurea var. tenuifolia]
                                                   [Houstonia longifolia var. compacta]
                                                   [Houstonia longifolia var. glabra]
                                                   [Houstonia longifolia var. longifolia]
                                                   [Houstonia longifolia var. tenuifolia]
                                                   [Houstonia purpurea var. longifolia]
                                                   [Houstonia purpurea var. tenuifolia]
                                                   [Houstonia tenuifolia]
                                                   [Oldenlandia purpurea var. tenuifolia]
                                             Houstonia micrantha
                                                   [Hedyotis australis]
                                                   [Hedyotis crassifolia var. micrantha]
                                             Houstonia ouachitana
                                                   [Hedyotis ouachiitana]
                                                   [Hedyotis ouachitana]
                                             Houstonia palmeri
                                                   [Hedyotis palmeri]
                                             Houstonia parviflora
                                                   [Hedyotis greenmanii]
                                             Houstonia procumbens
                                                   [Hedyotis procumbens var. hirsuta]
                                                   [Hedyotis procumbens]
                                                   [Houstonia rotundifolia]
                                             Houstonia prostrata
                                                   [Hedyotis vegrandis]
                                                   [Houstonia parvula]
                                             Houstonia purpurea
                                               Houstonia purpurea var. calycosa
                                                     [Hedyotis lanceolata]
                                                     [Hedyotis purpurea var. calycosa]
                                                     [Houstonia calycosa]
                                                     [Houstonia lanceolata]
                                               Houstonia purpurea var. montana
                                                     [Hedyotis purpurea var. montana]
                                                     [Houstonia montana]
                                               Houstonia purpurea var. purpurea
                                                     [Hedyotis purpurea var. purpurea]
                                                     [Hedyotis purpurea]
                                                     [Houstonia purpurea var. pubescens]
                                             Houstonia pusilla
                                                   [Hedyotis caerulea var. minima]
                                                   [Hedyotis caerulea var. minor]
                                                   [Hedyotis crassifolia]
                                                   [Hedyotis minima]
                                                   [Houstonia minima]
                                                   [Houstonia patens]
                                             Houstonia rosea
                                                   [Hedyotis rosea]
                                                   [Hedyotis tayloriae]
                                                   [Houstonia pygmaea]
                                             Houstonia rubra
                                                   [Hedyotis rubra]
                                                   [Houstonia saxicola]
                                                   [Oldenlandia rubra]
                                             Houstonia serpyllifolia
                                                   [Hedyotis michauxii]
                                             Houstonia sharpii
                                             Houstonia spellenbergii
                                                   [Hedyotis spellenbergii]
                                             Houstonia subviscosa
                                                   [Hedyotis subviscosa]
                                                   [Oldenlandia subviscosa]
                                             Houstonia wrightii
                                                   [Hedyotis cervantesii]
                                                   [Hedyotis pygmaea]
                                                   [Hedyotis wrightii]
                                     Hutchinsonia
                                     Hydnophytum
                                             Hydnophytum formicarum
                                             Hydnophytum tortuosum
                                     Hydrophylax
                                             Hydrophylax maritima
                                     Hymenodictyon
                                             Hymenodictyon berivotrense
                                             Hymenodictyon orixense
                                     Hymenopogon
                                     Hyperacanthus
                                             Hyperacanthus ambovombensis
                                     Hypobathrum
                                             Hypobathrum coriaceum
                                             Hypobathrum purpuricarpum
                                                   [Randia purpuricarpa]
                                     Isertia
                                             Isertia haenkeana
                                     Isidorea
                                             Isidorea veris
                                     Ixora
                                             Ixora acuminata
                                             Ixora alba
                                                   [Ixora lanceolata]
                                             Ixora beckleri
                                             Ixora brachyantha
                                             Ixora brunonis
                                             Ixora calcicola
                                             Ixora calycina
                                             Ixora casei
                                             Ixora chinensis
                                             Ixora coccinea
                                             Ixora ferrea
                                             Ixora filmeri
                                             Ixora finlaysoniana
                                             Ixora foetida
                                                   [Ixora triflora]
                                             Ixora grandiflora
                                             Ixora hainanensis
                                             Ixora intensa
                                             Ixora killipii
                                             Ixora laxiflora
                                             Ixora littoralis
                                             Ixora macrothyrsa
                                             Ixora magnifica
                                             Ixora microphylla
                                             Ixora mjoebergii
                                             Ixora nicaraguensis
                                             Ixora nitens
                                                   [Eugenia nitens]
                                             Ixora pavetta
                                                   [Ixora arborea]
                                                   [Ixora parviflora]
                                             Ixora platythyrsa
                                             Ixora pubifolia
                                             Ixora sessililimba
                                             Ixora siphonantha
                                             Ixora tenelliflora
                                             Ixora thwaitesii
                                             Ixora timorensis
                                                   [Ixora klanderiana]
                                             Ixora triantha
                                             Ixora trichobotrys
                                             Ixora venulosa
                                     Joosia
                                             Joosia pulcherrima
                                     Jovetia
                                             Jovetia humilis
                                     Kadua
                                             Kadua acuminata
                                                   [Hedyotis acuminata f. alicarpoides]
                                                   [Hedyotis acuminata f. brownii]
                                                   [Hedyotis acuminata f. compacta]
                                                   [Hedyotis acuminata f. elliptica]
                                                   [Hedyotis acuminata f. halawana]
                                                   [Hedyotis acuminata f. lanaiensis]
                                                   [Hedyotis acuminata f. subsessilis]
                                                   [Hedyotis acuminata f. variabilis]
                                                   [Hedyotis acuminata]
                                                   [Kadua grandis]
                                             Kadua affinis
                                                   [Gouldia affinis]
                                                   [Gouldia hirtella]
                                                   [Gouldia terminalis var. angustifolia]
                                                   [Gouldia terminalis var. antiqua]
                                                   [Gouldia terminalis var. arborescens]
                                                   [Gouldia terminalis var. aspera]
                                                   [Gouldia terminalis var. bobeoides]
                                                   [Gouldia terminalis var. congesta]
                                                   [Gouldia terminalis var. cordata]
                                                   [Gouldia terminalis var. coriacea]
                                                   [Gouldia terminalis var. crassicaulis]
                                                   [Gouldia terminalis var. degeneri]
                                                   [Gouldia terminalis var. elongata]
                                                   [Gouldia terminalis var. forbesii]
                                                   [Gouldia terminalis var. glabra]
                                                   [Gouldia terminalis var. hathewayi]
                                                   [Gouldia terminalis var. hosakae]
                                                   [Gouldia terminalis var. kaala]
                                                   [Gouldia terminalis var. kapuaensis]
                                                   [Gouldia terminalis var. konaensis]
                                                   [Gouldia terminalis var. lanai]
                                                   [Gouldia terminalis var. macrocarpa]
                                                   [Gouldia terminalis var. macrothyrsa]
                                                   [Gouldia terminalis var. myrsinoidea]
                                                   [Gouldia terminalis var. osteocarpa]
                                                   [Gouldia terminalis var. ovata]
                                                   [Gouldia terminalis var. parvifolia]
                                                   [Gouldia terminalis var. pedunculata]
                                                   [Gouldia terminalis var. pseudodichotoma]
                                                   [Gouldia terminalis var. pubescens]
                                                   [Gouldia terminalis var. pubistipula]
                                                   [Gouldia terminalis var. purpurea]
                                                   [Gouldia terminalis var. quadrangularis]
                                                   [Gouldia terminalis var. rotundifolia]
                                                   [Gouldia terminalis var. sclerotica]
                                                   [Gouldia terminalis var. skottsbergii]
                                                   [Gouldia terminalis var. stipulacea]
                                                   [Gouldia terminalis var. subcordata]
                                                   [Gouldia terminalis var. tenuicaulis]
                                                   [Gouldia terminalis var. wawrana]
                                                   [Gouldia terminalis]
                                                   [Hedyotis terminalis]
                                             Kadua axillaris
                                                   [Gouldia hillebrandii var. hawaiiensis]
                                                   [Gouldia hillebrandii var. nodosa]
                                                   [Gouldia hillebrandii]
                                                   [Hedyotis hillebrandii]
                                             Kadua centranthoides
                                                   [Hedyotis centranthoides var. centranthoides]
                                                   [Hedyotis centranthoides var. laevis]
                                                   [Hedyotis centranthoides]
                                             Kadua cookiana
                                                   [Hedyotis cookiana]
                                             Kadua cordata
                                                   [Hedyotis schlechtendahliana var. schlechtendahliana]
                                                   [Hedyotis schlechtendahliana]
                                               Kadua cordata subsp. cordata
                                                     [Hedyotis angusta var. angusta]
                                                     [Hedyotis angusta var. koolauensis]
                                                     [Hedyotis angusta var. umbrosa]
                                                     [Hedyotis angusta]
                                                     [Hedyotis glaucifolia var. helleri]
                                                     [Hedyotis remyi var. nuttallii]
                                                     [Hedyotis remyi var. plana]
                                                     [Hedyotis remyi var. silvicola]
                                                     [Hedyotis schlechtendahliana subsp. rockii]
                                                     [Hedyotis schlechtendahliana subsp. schlechtendahliana]
                                                     [Hedyotis schlechtendahliana subsp. tenuifolia]
                                                     [Hedyotis schlechtendahliana var. glauca]
                                                     [Hedyotis schlechtendahliana var. nitens]
                                                     [Hedyotis schlechtendahliana var. nuttallii]
                                                     [Hedyotis schlechtendahliana var. opaca]
                                                     [Hedyotis schlechtendahliana var. plana]
                                                     [Hedyotis schlechtendahliana var. reticulata]
                                                     [Hedyotis schlechtendahliana var. rockii]
                                                     [Hedyotis schlechtendahliana var. secundiflora]
                                               Kadua cordata subsp. remyi
                                                     [Hedyotis remyi]
                                                     [Hedyotis schlechtendahliana subsp. remyi]
                                                     [Hedyotis schlechtendahliana var. remyi]
                                               Kadua cordata subsp. waimeae
                                                     [Hedyotis glaucifolia var. subimpressa]
                                                     [Hedyotis glaucifolia var. waimeae]
                                                     [Hedyotis glaucifolia]
                                                     [Hedyotis schlechtendahliana subsp. waimeae]
                                             Kadua coriacea
                                                   [Hedyotis coriacea]
                                             Kadua degeneri
                                                   [Hedyotis degeneri]
                                               Kadua degeneri subsp. coprosmifolia
                                                     [Hedyotis degeneri var. coprosmifolia]
                                               Kadua degeneri subsp. degeneri
                                                     [Hedyotis degeneri var. degeneri]
                                             Kadua elatior
                                                   [Hedyotis elatior var. ensiformis]
                                                   [Hedyotis elatior var. herbacea]
                                                   [Hedyotis elatior]
                                             Kadua fluviatilis
                                                   [Hedyotis fluviatilis var. hathewayi]
                                                   [Hedyotis fluviatilis var. kamapuaana]
                                                   [Hedyotis fluviatilis var. kauaiensis]
                                                   [Hedyotis fluviatilis]
                                             Kadua flynnii
                                                   [Hedyotis flynnii]
                                             Kadua foggiana
                                                   [Hedyotis foggiana]
                                             Kadua foliosa
                                                   [Hedyotis foliosa]
                                             Kadua formosa
                                                   [Hedyotis formosa]
                                             Kadua fosbergii
                                                   [Gouldia st.-johnii var. munroi]
                                                   [Gouldia st.-johnii]
                                                   [Hedyotis fosbergii]
                                             Kadua haupuensis
                                             Kadua knudsenii
                                                   [Hedyotis knudsenii]
                                                   [Hedyotis kundsenii]
                                             Kadua laxiflora
                                                   [Hedyotis mannii var. cuspidata]
                                                   [Hedyotis mannii var. munroi]
                                                   [Hedyotis mannii var. scaposa]
                                                   [Hedyotis mannii]
                                                   [Hedyotis molokaiensis]
                                                   [Hedyotis thyrsoidea var. hillebrandii]
                                                   [Hedyotis thyrsoidea]
                                             Kadua littoralis
                                                   [Hedyotis littoralis]
                                             Kadua parvula
                                                   [Hedyotis parvula]
                                             Kadua st.-johnii
                                                   [Hedyotis st.-johnii]
                                             Kadua tryblium
                                                   [Hedyotis tryblium]
                                     Keetia
                                             Keetia gueinzii
                                     Kelloggia
                                             Kelloggia galioides
                                     Ladenbergia
                                             Ladenbergia macrocarpa
                                             Ladenbergia oblongifolia
                                                   [Ladenbergia magnifolia]
                                     Lasianthus
                                             Lasianthus biermannii
                                             Lasianthus borneensis
                                             Lasianthus chrysoneurus
                                                   [Lasianthus kurzii]
                                             Lasianthus cordatus
                                             Lasianthus curtisii
                                                   [Lasianthus kwangtungensis]
                                             Lasianthus fordii
                                               Lasianthus fordii var. microphyllus
                                                     [Lasianthus microphyllus]
                                             Lasianthus formosensis
                                                   [Lasianthus tenuicaudatus]
                                             Lasianthus hookeri
                                             Lasianthus inodorus
                                             Lasianthus japonicus
                                               Lasianthus japonicus subsp. japonicus
                                               Lasianthus japonicus subsp. longicaudus
                                             Lasianthus laevigatus
                                             Lasianthus lanceolatus
                                                   [Hoffmania lanceolata]
                                                   [Hoffmannia lanceolata]
                                                   [Lasianthus moralesii]
                                             Lasianthus micranthus
                                             Lasianthus moonii
                                             Lasianthus pedunculatus
                                             Lasianthus stercorarius
                                             Lasianthus strigosus
                                             Lasianthus submembranifolius
                                     Laugeria
                                     Leptodermis
                                             Leptodermis glomerata
                                             Leptodermis gracilis
                                             Leptodermis parvifolia
                                             Leptodermis pilosa
                                               Leptodermis pilosa var. pilosa
                                     Leptoscela
                                             Leptoscela ruellioides
                                     Leucocodon
                                             Leucocodon reticulatum
                                     Lindenia
                                     Luculia
                                             Luculia pinceana
                                                   [Luculia intermedia]
                                             Luculia yunnanensis
                                     Lucya
                                             Lucya tetrandra
                                                   [Clavenna tetrandra]
                                     Machaonia
                                             Machaonia acuminata
                                                   [Machaonia floribunda]
                                             Machaonia brasiliensis
                                                   [Machaonia brasiliensis f. angustifolia]
                                             Machaonia coulteri
                                             Machaonia erythrocarpa
                                               Machaonia erythrocarpa subsp. hondurensis
                                                     [Allenanthus hondurensis]
                                               Machaonia erythrocarpa subsp. parvifolia
                                                     [Allenanthus hondurensis var. parvifolia]
                                             Machaonia lindeniana
                                             Machaonia microphylla
                                             Machaonia portoricensis
                                             Machaonia pringlei
                                             Machaonia woodburyana
                                     Macrocnemum
                                     Manettia
                                             Manettia acutifolia
                                             Manettia coccinea
                                             Manettia flexilis
                                             Manettia luteorubra
                                                   [Manettia bicolor]
                                             Manettia lygistum
                                                   [Manettia lygistoides]
                                             Manettia paniculata
                                             Manettia pectinata
                                             Manettia peruviana
                                             Manettia reclinata
                                             Manettia recurva
                                             Manettia rojasiana
                                             Manettia sublanata
                                     Mantalania
                                             Mantalania sambiranensis
                                     Mapouria
                                     Margaritopsis
                                             Margaritopsis haematocarpa
                                                   [Psychotria haematocarpa]
                                             Margaritopsis hassleriana
                                                   [Rudgea hassleriana]
                                             Margaritopsis microdon
                                                   [Psychotria microdon]
                                                   [Psychotria pinularis]
                                                   [Rondeletia microdon]
                                             Margaritopsis nutans
                                                   [Psychotria nutans]
                                     Mastixiodendron
                                             Mastixiodendron flavidum
                                                   [Dorisia flavida]
                                     Mazaea
                                             Mazaea phialanthoides
                                                   [Rondeletia phialanthoides]
                                     Melanoxerus
                                             Melanoxerus suavissimus
                                     Mexocarpus
                                             Mexocarpus tetragonus
                                                   [Psychotria chiapensis]
                                     Mexotis
                                             Mexotis latifolia
                                                   [Hedyotis exigula]
                                                   [Houstonia gracilis]
                                     Micrasepalum
                                             Micrasepalum eritrichoides
                                                   [Borreria eritrichoides]
                                     Mitchella
                                             Mitchella repens
                                             Mitchella undulata
                                     Mitracarpus
                                             Mitracarpus breviflorus
                                             Mitracarpus floribundus
                                             Mitracarpus frigidus
                                             Mitracarpus glabrescens
                                             Mitracarpus hasslerianus
                                             Mitracarpus hirtus
                                                   [Mitracarpus villosus]
                                                   [Spermacoce hirta]
                                             Mitracarpus linearifolius
                                                   [Mitracarpus rhadinophyllus]
                                             Mitracarpus linearis
                                             Mitracarpus maxwelliae
                                             Mitracarpus polycladus
                                                   [Mitracarpus polycladus var. sabensis]
                                             Mitracarpus portoricensis
                                                   [Mitracarpus frigidus var. portoricensis]
                                             Mitracarpus schizangius
                                     Mitragyna
                                             Mitragyna hirsuta
                                             Mitragyna ledermannii
                                                   [Mitragyna ciliata]
                                             Mitragyna parvifolia
                                             Mitragyna speciosa
                                     Morinda
                                             Morinda citrifolia
                                             Morinda mayorii
                                                   [Breonia mayorii]
                                             Morinda royoc
                                             Morinda trimera
                                                   [Morinda sandwicensis]
                                             Morinda umbellata
                                     Mussaenda
                                             Mussaenda arcuata
                                             Mussaenda attenuifolia
                                             Mussaenda breviloba
                                             Mussaenda decipiens
                                             Mussaenda divaricata
                                             Mussaenda elliptica
                                             Mussaenda elmeri
                                             Mussaenda erosa
                                             Mussaenda frondosa
                                             Mussaenda laxiflora
                                             Mussaenda macrophylla
                                             Mussaenda mollissima
                                             Mussaenda multinervis
                                             Mussaenda philippica
                                             Mussaenda pubescens
                                             Mussaenda raiateensis
                                             Mussaenda scandens
                                             Mussaenda shikokiana
                                                   [Mussaenda wilsonii]
                                             Mussaenda simpliciloba
                                             Mussaenda treutleri
                                     Mycetia
                                           [Myrioneuron]
                                             Mycetia brevipes
                                             Mycetia faberi
                                                   [Myrioneuron faberi]
                                             Mycetia glandulosa
                                             Mycetia gracilis
                                             Mycetia javanica
                                             Mycetia longiflora
                                             Mycetia paniculiformis
                                             Mycetia sinensis
                                     Myrmecodia
                                             Myrmecodia tuberosa
                                                   [Myrmecodia sorsogonensis]
                                     Myrstiphyllum
                                     Nauclea
                                             Nauclea latifolia
                                             Nauclea orientalis
                                             Nauclea subdita
                                                   [Sarcocephalus multicephalus]
                                     Neanotis
                                             Neanotis hirsuta
                                             Neanotis hohenackeri
                                                   [Anotis foetida]
                                                   [Neanotis foetida]
                                                   [Neanotis hohenackerii]
                                             Neanotis ingrata
                                             Neanotis wightiana
                                     Nematostylis
                                             Nematostylis anthophylla
                                     Neohymenopogon
                                             Neohymenopogon oligocarpus
                                             Neohymenopogon parasiticus
                                                   [Hymenopogon parasiticus]
                                     Neolamarckia
                                             Neolamarckia cadamba
                                                   [Anthocephalus cadamba]
                                                   [Anthocephalus chinensis]
                                                   [Cephalanthus chinensis]
                                     Neonauclea
                                             Neonauclea calycina
                                             Neonauclea clemensiae
                                             Neonauclea forsteri
                                             Neonauclea glabra
                                             Neonauclea havilandii
                                     Nernstia
                                             Nernstia mexicana
                                                   [Portlandia mexicana]
                                     Nertera
                                             Nertera dichondrifolia
                                             Nertera granadensis
                                                   [Coprosma granadensis]
                                                   [Gomozia granadensis]
                                                   [Nertera granadensis var. insularis]
                                               Nertera granadensis var. granadensis
                                                     [Nertera depressa]
                                             Nertera sinensis
                                     Neurocalyx
                                             Neurocalyx championii
                                     Normandia
                                             Normandia neocaledonica
                                     Notopleura
                                             Notopleura epiphytica
                                                   [Psychotria epiphytica]
                                                   [Psychotria orchidearum]
                                             Notopleura guadalupensis
                                                   [Psychotria guadalupensis]
                                               Notopleura guadalupensis subsp. grosourdyeana
                                                     [Psychotria grosourdyana]
                                                     [Psychotria guadalupensis subsp. grosourdyana]
                                               Notopleura guadalupensis subsp. guadalupensis
                                                     [Psychotria guadalupensis subsp. guadalupensis]
                                             Notopleura lateriflora
                                             Notopleura longipedunculoides
                                             Notopleura macrophylla
                                                   [Psychotria macrophylla]
                                             Notopleura parasitica
                                                   [Psychotria parasitica]
                                             Notopleura plagiantha
                                             Notopleura polyphlebia
                                                   [Psychotria polyphlebia]
                                             Notopleura siggersiana
                                                   [Psychotria siggersiana]
                                             Notopleura uliginosa
                                                   [Psychotria uliginosa]
                                     Oldenlandia
                                             Oldenlandia affinis
                                               Oldenlandia affinis subsp. fugax
                                             Oldenlandia biflora
                                                   [Hedyotis biflora]
                                             Oldenlandia boscii
                                                   [Hedyotis boscii]
                                             Oldenlandia brachypoda
                                                   [Hedyotis brachypoda]
                                             Oldenlandia capillipes
                                             Oldenlandia corymbosa
                                                   [Hedyotis corymbosa]
                                               Oldenlandia corymbosa var. corymbosa
                                                     [Hedyotis pusilla]
                                             Oldenlandia crouchiana
                                             Oldenlandia filifolia
                                                   [Hedyotis filifolia]
                                             Oldenlandia hedyotidea
                                                   [Hedyotis hedyotidea]
                                             Oldenlandia herbacea
                                                   [Hedyotis herbacea]
                                               Oldenlandia herbacea var. herbacea
                                             Oldenlandia lancifolia
                                                   [Hedyotis commutata]
                                                   [Hedyotis lancifolia]
                                             Oldenlandia matthewii
                                                   [Hedyotis acuminatissima]
                                             Oldenlandia microtheca
                                                   [Hedyotis microtheca]
                                             Oldenlandia pringlei
                                             Oldenlandia purpurea
                                             Oldenlandia salzmannii
                                                   [Hedyotis salzmannii]
                                             Oldenlandia strigulosa
                                                   [Hedyotis strigulosa]
                                             Oldenlandia uniflora
                                                   [Hedyotis fasciculata]
                                                   [Hedyotis uniflora var. fasciculata]
                                                   [Hedyotis uniflora]
                                                   [Oldenlandia fasciculata]
                                                   [Oldenlandia fasciculatus]
                                     Oldenlandiopsis
                                             Oldenlandiopsis callitrichoides
                                                   [Hedyotis callitrichoides]
                                                   [Oldenlandia callitrichoides]
                                     Omiltemia
                                             Omiltemia longipes
                                     Opercularia
                                             Opercularia apiciflora
                                             Opercularia diphylla
                                             Opercularia scabrida
                                             Opercularia spermacocea
                                             Opercularia vaginata
                                             Opercularia varia
                                     Ophiorrhiza
                                             Ophiorrhiza alatiflora
                                             Ophiorrhiza bicolor
                                             Ophiorrhiza dulongensis
                                             Ophiorrhiza fasciculata
                                             Ophiorrhiza japonica
                                             Ophiorrhiza kuroiwae
                                                   [Ophiorrhiza liukiuensis]
                                             Ophiorrhiza lurida
                                             Ophiorrhiza mungos
                                             Ophiorrhiza nutans
                                             Ophiorrhiza palauensis
                                             Ophiorrhiza rosea
                                             Ophiorrhiza succirubra
                                             Ophiorrhiza thomsonii
                                             Ophiorrhiza trichocarpos
                                                   [Ophiorrhiza hispidula]
                                     Osa
                                             Osa pulchra
                                     Otiophora
                                             Otiophora pauciflora
                                     Otocalyx
                                     Oxyceros
                                             Oxyceros longiflorus
                                     Pachystigma
                                     Paederia
                                             Paederia ciliata
                                                   [Paederia pringlei]
                                             Paederia cruddasiana
                                             Paederia farinosa
                                             Paederia foetida
                                                   [Paederia scandans]
                                                   [Paederia scandens]
                                                   [Paederia stenophylla]
                                                   [Paederia tomentosa]
                                             Paederia lanuginosa
                                     Pagamea
                                             Pagamea harleyi
                                     Palicourea
                                             Palicourea acanthacea
                                             Palicourea acetosoides
                                             Palicourea acuminata
                                                   [Psychotria acuminata]
                                             Palicourea alajuelensis
                                                   [Coussarea austin-smithii]
                                             Palicourea alpina
                                                   [Psychotria alpina]
                                             Palicourea amapaensis
                                             Palicourea amethystina
                                             Palicourea aschersonianoides
                                             Palicourea axillaris
                                                   [Cephaelis axillaris]
                                                   [Psychotria aubletiana]
                                             Palicourea bella
                                             Palicourea berteroana
                                                   [Psychotria izabalensis]
                                             Palicourea blanchetiana
                                             Palicourea chlorobotrya
                                                   [Psychotria izabalensis subsp. oaxacana]
                                             Palicourea compta
                                                   [Psychotria compta]
                                             Palicourea coriacea
                                             Palicourea crocea
                                                   [Palicourea brevithyrsa]
                                                   [Psychotria crocea]
                                             Palicourea croceoides
                                                   [Palicourea crocea var. riparia]
                                                   [Palicourea riparia]
                                             Palicourea cuspidata
                                                   [Psychotria cuspidata]
                                             Palicourea demissa
                                             Palicourea domingensis
                                                   [Psychotria domingensis]
                                                   [Psychotria mombachensis]
                                             Palicourea elata
                                                   [Cephaelis elata f. lutea]
                                                   [Cephaelis elata]
                                                   [Psychotria elata]
                                             Palicourea flaviflora
                                                   [Cephaelis flaviflora]
                                                   [Psychotria flaviflora]
                                             Palicourea galeottiana
                                                   [Palicourea seleri]
                                                   [Psychotria galeottiana]
                                                   [Psychotria orogenes]
                                                   [Psychotria persearum]
                                                   [Psychotria skutchii]
                                             Palicourea glomerulata
                                                   [Cephaelis glomerulata]
                                                   [Psychotria glomerulata]
                                             Palicourea gomezii
                                             Palicourea guianensis
                                                   [Palicourea guianensis var. glabrescens]
                                               Palicourea guianensis subsp. barbinervia
                                                     [Palicourea barbinervia]
                                               Palicourea guianensis subsp. guianensis
                                                     [Palicourea guianensis var. guianensis]
                                             Palicourea hebeclada
                                                   [Psychotria hebeclada]
                                             Palicourea heydei
                                                   [Psychotria heydei]
                                             Palicourea hoffmannseggiana
                                                   [Psychotria barbiflora]
                                                   [Psychotria furcata]
                                                   [Psychotria hoffmannseggiana var. celsa]
                                             Palicourea hospitalis
                                             Palicourea lasiantha
                                                   [Palicourea condensata]
                                             Palicourea lineata
                                             Palicourea longiflora
                                             Palicourea macrantha
                                             Palicourea megalantha
                                                   [Psychotria megalantha]
                                             Palicourea minarum
                                                   [Psychotria minarum]
                                             Palicourea nigricans
                                             Palicourea padifolia
                                             Palicourea paraensis
                                             Palicourea phanerandra
                                                   [Psychotria luteotuba]
                                                   [Psychotria phanerandra]
                                             Palicourea pulchra
                                             Palicourea purpurea
                                             Palicourea racemosa
                                                   [Psychotria racemosa]
                                             Palicourea rigida
                                                   [Palicourea rigida f. angustior]
                                             Palicourea sessilis
                                                   [Psychotria vellosiana]
                                             Palicourea simiarum
                                                   [Psychotria simiarum]
                                             Palicourea skotakii
                                             Palicourea sodiroi
                                             Palicourea spathacea
                                             Palicourea stenosepala
                                             Palicourea steyermarkiana
                                                   [Psychotria steyermarkii]
                                             Palicourea stipularis
                                             Palicourea thornei
                                                   [Psychotria thornei]
                                             Palicourea thyrsiflora
                                             Palicourea tomentosa
                                                   [Cephaelis tomentosa]
                                                   [Psychotria poeppigiana]
                                             Palicourea trichophora
                                                   [Psychotria sciaphila subsp. longicalyx]
                                                   [Psychotria sciaphila]
                                             Palicourea triphylla
                                             Palicourea vacillans
                                             Palicourea veracruzensis
                                                   [Psychotria veracruzensis]
                                             Palicourea violacea
                                                   [Psychotria capitata]
                                             Palicourea yneziae
                                                   [Rudgea mexiae]
                                     Paracarphalea
                                             Paracarphalea angulata
                                                   [Carphalea sambiranensis]
                                             Paracarphalea kirondron
                                                   [Carphalea kirondron]
                                             Paracarphalea pervilleana
                                                   [Carphalea pervilleana]
                                     Paracephaelis
                                           [Homolliella]
                                             Paracephaelis saxatilis
                                     Paralasianthus
                                             Paralasianthus dichotomus
                                                   [Plectronia cyanea]
                                     Pauridiantha
                                             Pauridiantha paucinervis
                                                   [Pauridiantha paucinervis subsp. lyallii]
                                     Pavetta
                                             Pavetta atra
                                             Pavetta kyimbilensis
                                             Pavetta luzonica
                                             Pavetta phanerophlebia
                                             Pavetta platyclada
                                     Payera
                                     Pentagonia
                                             Pentagonia macrophylla
                                             Pentagonia spathicalyx
                                               Senna pentagonia var. pentagonia
                                     Pentanisia
                                             Pentanisia angustifolia
                                             Pentanisia ouranogyne
                                             Pentanisia prunelloides
                                               Pentanisia prunelloides subsp. prunelloides
                                     Pentas
                                             Pentas lanceolata
                                               Pentas lanceolata subsp. cymosa
                                                     [Pentas carnea]
                                     Pentodon
                                             Pentodon pentandrus
                                                   [Hedyotis halei]
                                                   [Hedyotis pentandra]
                                                   [Pentodon halei]
                                                   [Pentodon pentander]
                                     Peponidium
                                             Peponidium bosseri
                                                   [Canthium bosseri]
                                             Peponidium humbertianum
                                                   [Canthium humbertianum]
                                     Perama
                                             Perama hirsuta
                                             Perama irwiniana
                                             Perama mexiae
                                     Phialanthus
                                             Phialanthus grandifolius
                                             Phialanthus jamaicensis
                                             Phialanthus myrtilloides
                                             Phialanthus resinifluus
                                             Phialanthus rigidus
                                     Phialiphora
                                     Phuopsis
                                             Phuopsis stylosa
                                                   [Crucianella stylosa]
                                     Phyllacanthus
                                             Phyllacanthus grisebachianus
                                                   [Catesbaea phyllacantha]
                                     Phyllomelia
                                             Phyllomelia coronata
                                     Phyllopentas
                                             Phyllopentas mussaendoides
                                                   [Pentas mussaendoides]
                                     Pinarophyllon
                                             Pinarophyllon flavum
                                     Pinckneya
                                             Pinckneya bracteata
                                                   [Pinckneya pubens]
                                     Pittoniotis
                                             Pittoniotis protracta
                                                   [Anisomeris protracta]
                                                   [Chomelia protracta]
                                                   [Guettarda galeottii]
                                     Platycarpum
                                             Platycarpum maguirei
                                     Plectronia
                                     Plocama
                                           [Putoria]
                                             Plocama calabrica
                                                   [Putoria calabrica]
                                     Plocaniophyllon
                                             Plocaniophyllon flavum
                                                   [Deppea flava]
                                     Pogonopus
                                             Pogonopus speciosus
                                     Polysphaeria
                                             Polysphaeria acuminata
                                             Polysphaeria grandiflora
                                     Pomax
                                             Pomax umbellata
                                     Porterandia
                                             Porterandia anisophylla
                                                   [Randia anisophylla]
                                     Portlandia
                                             Portlandia platantha
                                     Posoqueria
                                             Posoqueria coriacea
                                             Posoqueria latifolia
                                               Posoqueria latifolia subsp. latifolia
                                                     [Posoqueria panamensis]
                                     Praravinia
                                             Praravinia borneensis
                                                   [Williamsia borneensis]
                                     Prismatomeris
                                             Prismatomeris beccariana
                                                   [Rennellia prismatomeriformis]
                                     Pseudomiltemia
                                             Pseudomiltemia filisepala
                                                   [Omiltemia filisepala]
                                     Psychotria
                                           [Cephaelis]
                                             Psychotria adenophylla
                                             Psychotria alabatensis
                                             Psychotria alba
                                                   [Mapouria alba]
                                             Psychotria allenii
                                             Psychotria amplifrons
                                             Psychotria anceps
                                                   [Mapouria biacuminata]
                                             Psychotria anjanaharibensis
                                                   [Mapouria apoda]
                                             Psychotria ankafinensis
                                                   [Mapouria ankafinensis]
                                             Psychotria assimilis
                                             Psychotria balabacensis
                                             Psychotria bangueyensis
                                             Psychotria barkleyi
                                             Psychotria berteroana
                                                   [Psychotria berteriana]
                                             Psychotria biaristata
                                                   [Psychotria graciliflora]
                                                   [Psychotria oaxacana]
                                             Psychotria brachiata
                                             Psychotria calocarpa
                                             Psychotria capensis
                                             Psychotria carronis
                                             Psychotria carthagenensis
                                                   [Mapouria alba var. tristis]
                                             Psychotria chagrensis
                                             Psychotria chimboracensis
                                             Psychotria costivenia
                                               Psychotria costivenia subsp. altorum
                                                     [Psychotria altorum]
                                                     [Psychotria costivenia var. altorum]
                                               Psychotria costivenia subsp. costivenia
                                                     [Psychotria miradorensis]
                                               Psychotria costivenia var. costivenia
                                             Psychotria cuernosensis
                                             Psychotria cuneata
                                             Psychotria dallachiana
                                             Psychotria daphnoides
                                             Psychotria deflexa
                                             Psychotria diffusa
                                             Psychotria elmeri
                                             Psychotria ernestii
                                             Psychotria erythrocarpa
                                             Psychotria fauriei
                                             Psychotria fitzalanii
                                             Psychotria flava
                                             Psychotria fruticetorum
                                             Psychotria galintanensis
                                             Psychotria garberiana
                                             Psychotria gardneri
                                             Psychotria gentryi
                                                   [Cephaelis gentryi]
                                             Psychotria glabrata
                                                   [Psychotria brownei]
                                             Psychotria glandulifera
                                                   [Psychotria glandulifera var. trimenii]
                                             Psychotria gracilenta
                                                   [Psychotria brachybotrya]
                                             Psychotria grandiflora
                                             Psychotria grandis
                                             Psychotria greenwelliae
                                                   [Psychotria psychotrioides]
                                             Psychotria hathewayi
                                               Psychotria hathewayi var. brevipetiolata
                                               Psychotria hathewayi var. hathewayi
                                                     [Psychotria waianensis]
                                             Psychotria hawaiiensis
                                                   [Straussia hillebrandii]
                                               Psychotria hawaiiensis var. hawaiiensis
                                               Psychotria hawaiiensis var. hillebrandii
                                               Psychotria hawaiiensis var. scoriacea
                                                     [Psychotria hawaiiensis var. glomerata]
                                             Psychotria hazenii
                                             Psychotria herzogii
                                             Psychotria hexandra
                                               Psychotria hexandra var. hirta
                                                     [Psychotria hexandra subsp. hexandra]
                                               Psychotria hexandra var. oahuensis
                                                     [Psychotria hexandra subsp. oahuensis]
                                                     [Psychotria hexandra var. st.-johnii]
                                             Psychotria hobdyi
                                             Psychotria hoffmannseggiana
                                               Psychotria hoffmannseggiana var. tribracteata
                                                     [Psychotria involucrata]
                                             Psychotria hombroniana
                                               Psychotria hombroniana var. hombroniana
                                               Psychotria hombroniana var. squarrosa
                                             Psychotria horizontalis
                                             Psychotria hornitensis
                                             Psychotria infundibulifera
                                             Psychotria insularum
                                                   [Psychotria insularum var. paradisi]
                                                   [Psychotria insularum var. paradisii]
                                             Psychotria kaduana
                                                   [Psychotria kaduana var. longissima]
                                                   [Psychotria kaduana var. pubiflora]
                                                   [Psychotria leptocarpa]
                                                   [Psychotria longissima]
                                                   [Straussia longissima]
                                             Psychotria lantzii
                                                   [Cremocarpon lantzii]
                                             Psychotria leiocarpa
                                                   [Psychotria leiocarpa f. angustifolia]
                                             Psychotria lianoides
                                             Psychotria ligustrifolia
                                                   [Myrstiphyllum ligustrifolium]
                                                   [Psychotria bahamensis]
                                                   [Psychotria lingustrifolia]
                                             Psychotria limonensis
                                             Psychotria loheri
                                             Psychotria loniceroides
                                             Psychotria lundellii
                                             Psychotria lupulina
                                             Psychotria luxurians
                                             Psychotria malaspinae
                                             Psychotria malayana
                                             Psychotria maleolens
                                             Psychotria marginata
                                             Psychotria mariana
                                             Psychotria maricaensis
                                             Psychotria mariniana
                                                   [Psychotria hawaiiensis var. glabrithyrsa]
                                             Psychotria mauiensis
                                                   [Psychotria hawaiiensis var. molokaiensis]
                                                   [Psychotria hawaiiensis var. rotundifolia]
                                                   [Psychotria mauiensis var. subcordata]
                                             Psychotria merrittii
                                             Psychotria mexiae
                                                   [Psychotria schippii]
                                             Psychotria mima
                                             Psychotria mirandae
                                             Psychotria molinarum
                                                   [Cephaelis sessilifolia]
                                             Psychotria montivaga
                                             Psychotria morindoides
                                             Psychotria nervosa
                                                   [Psychotria granadensis]
                                                   [Psychotria lanceolata]
                                                   [Psychotria nervosa var. lanceolata]
                                                   [Psychotria nervosa var. nervosa]
                                                   [Psychotria nervosa var. rufescens]
                                                   [Psychotria portoricensis]
                                                   [Psychotria undata]
                                             Psychotria obscurinervia
                                                   [Psychotria vulcanica]
                                             Psychotria officinalis
                                             Psychotria panamensis
                                               Psychotria panamensis var. panamensis
                                                     [Psychotria yunckeri]
                                             Psychotria papantlensis
                                             Psychotria parkeri
                                                   [Mapouria parkeri]
                                             Psychotria patens
                                             Psychotria pebasensis
                                             Psychotria phaneroloma
                                             Psychotria pickeringii
                                             Psychotria platycocca
                                             Psychotria platypoda
                                             Psychotria pleuropoda
                                             Psychotria pubescens
                                             Psychotria punctata
                                             Psychotria remota
                                             Psychotria revoluta
                                             Psychotria romolerouxiana
                                             Psychotria roseata
                                                   [Readea roseata]
                                             Psychotria rotensis
                                             Psychotria rufipes
                                             Psychotria sarmentosa
                                             Psychotria serpens
                                             Psychotria simmondsiana
                                             Psychotria stenostachya
                                             Psychotria strigosa
                                             Psychotria subcapitata
                                             Psychotria subcucullata
                                             Psychotria subsessilis
                                                   [Psychotria oerstediana]
                                                   [Psychotria quinqueradiata]
                                             Psychotria subsimplex
                                             Psychotria tawaensis
                                             Psychotria tenerior
                                                   [Palicourea hassleriana]
                                             Psychotria tenuifolia
                                                   [Psychotria sulzneri]
                                             Psychotria tephrosantha
                                                   [Psychotria setchelli]
                                             Psychotria trichotoma
                                             Psychotria turrubarensis
                                             Psychotria tutcheri
                                             Psychotria urdanetensis
                                             Psychotria velutina
                                             Psychotria viridis
                                             Psychotria wawrae
                                             Psychotria yunnanensis
                                             Psychotria zepelaciana
                                     Psydrax
                                             Psydrax attenuata
                                                   [Canthium attenuatum]
                                                   [Plectronia attenuata]
                                             Psydrax glabra
                                                   [Canthium glabrum]
                                             Psydrax odorata
                                                   [Canthium odoratum var. tinianense]
                                                   [Canthium odoratum]
                                                   [Ixora odorata]
                                               Psydrax odorata subsp. buxifolia
                                                     [Canthium buxifolium]
                                             Psydrax rigidula
                                             Psydrax suaveolens
                                             Psydrax umbellata
                                                   [Canthium umbellatum]
                                     Psyllocarpus
                                             Psyllocarpus laricoides
                                     Pyrostria
                                             Pyrostria bibracteata
                                             Pyrostria elmeri
                                                   [Plectronia gracilipes]
                                             Pyrostria major
                                     Rachicallis
                                             Rachicallis americana
                                     Randia
                                             Randia aculeata
                                                   [Randia aculeata var. mitis]
                                                   [Randia mitis]
                                               Randia aculeata var. aculeata
                                                     [Randia standleyana]
                                             Randia armata
                                               Randia armata subsp. armata
                                                     [Basanacantha spinosa]
                                             Randia brevituba
                                                   [Basanacantha spinosa var. parviflora]
                                             Randia calycina
                                             Randia canescens
                                             Randia capitata
                                                   [Randia megacarpa]
                                                   [Randia watsonii]
                                             Randia chiapensis
                                             Randia cinerea
                                             Randia cookii
                                             Randia echinocarpa
                                             Randia genipifolia
                                             Randia grandifolia
                                             Randia laetevirens
                                             Randia laevigata
                                             Randia longiloba
                                             Randia malacocarpa
                                             Randia matudae
                                             Randia mollifolia
                                             Randia monantha
                                                   [Randia albonervia]
                                             Randia moorei
                                             Randia nelsonii
                                             Randia oaxacana
                                             Randia obcordata
                                                   [Randia rhagocarpa]
                                             Randia parvifolia
                                             Randia petenensis
                                             Randia portoricensis
                                             Randia pringlei
                                             Randia retroflexa
                                             Randia sonorensis
                                             Randia tetracantha
                                             Randia thurberi
                                                   [Randia crescentioides]
                                             Randia xalapensis
                                     Raritebe
                                             Raritebe palicoureoides
                                               Raritebe palicoureoides subsp. dwyerianum
                                                     [Raritebe panamensis]
                                     Razafimandimbisonia
                                             Razafimandimbisonia minor
                                                   [Alberta minor]
                                     Readea
                                     Relbunium
                                     Rennellia
                                     Rhodopentas
                                             Rhodopentas bussei
                                                   [Pentas bussei]
                                                   [Pentas coccinea]
                                     Richardia
                                             Richardia brasiliensis
                                                   [Richardsonia brasiliensis]
                                             Richardia grandiflora
                                             Richardia humistrata
                                             Richardia muricata
                                                   [Richardsonia muricata]
                                             Richardia scabra
                                             Richardia tricocca
                                                   [Crusea tricocca]
                                                   [Diodia tricocca]
                                                   [Richardia tricocco]
                                     Rogiera
                                             Rogiera amoena
                                                   [Rondeletia amoena]
                                             Rogiera breedlovei
                                                   [Rondeletia breedlovei]
                                             Rogiera cordata
                                                   [Rondeletia aprica]
                                                   [Rondeletia cordata]
                                                   [Rondeletia intermedia]
                                             Rogiera edwardsii
                                                   [Rondeletia edwardsii]
                                             Rogiera gratissima
                                                   [Rondeletia gratissima]
                                             Rogiera ligustroides
                                             Rogiera macdougallii
                                                   [Rondeletia macdougallii]
                                             Rogiera stenosiphon
                                             Rogiera strigosa
                                                   [Rovaeanthus strigosus]
                                             Rogiera suffrutescens
                                                   [Rondeletia suffrutescens]
                                     Ronabea
                                             Ronabea latifolia
                                                   [Psychotria erecta]
                                     Rondeletia
                                             Rondeletia belizensis
                                             Rondeletia inermis
                                             Rondeletia odorata
                                             Rondeletia pilosa
                                             Rondeletia portoricensis
                                             Rondeletia venosa
                                     Rosenbergiodendron
                                             Rosenbergiodendron formosum
                                                   [Mussaenda formosa]
                                                   [Randia formosa]
                                     Rothmannia
                                             Rothmannia capensis
                                     Rovaeanthus
                                     Rubeola
                                     Rubia
                                             Rubia alata
                                             Rubia cordifolia
                                             Rubia florida
                                             Rubia fruticosa
                                             Rubia magna
                                             Rubia oncotricha
                                             Rubia peregrina
                                             Rubia pseudogalium
                                             Rubia siamensis
                                             Rubia tinctoria
                                             Rubia tinctorum
                                                   [Rubia tinctoria]
                                             Rubia yunnanensis
                                     Rudgea
                                             Rudgea cornifolia
                                             Rudgea cryptantha
                                             Rudgea gardenioides
                                             Rudgea jasminoides
                                                   [Coffea jasminoides]
                                             Rudgea loretensis
                                             Rudgea sanmartensis
                                                   [Psychotria sanmartensis]
                                     Rustia
                                           [Henlea]
                                             Rustia bilsana
                                             Rustia thibaudioides
                                                   [Henlea thibaudioides]
                                     Rytigynia
                                     Sabicea
                                             Sabicea cinerea
                                             Sabicea diversifolia
                                             Sabicea mexicana
                                             Sabicea panamensis
                                             Sabicea villosa
                                                   [Sabicea hirsuta]
                                                   [Sabicea villosa var. sellowii]
                                     Saldinia
                                             Saldinia axillaris
                                             Saldinia dasyclada
                                             Saldinia hirsuta
                                     Saprosma
                                             Saprosma hainanensis
                                             Saprosma membranacea
                                     Sarcocephalus
                                     Sarcopygme
                                             Sarcopygme pacifica
                                     Schismatoclada
                                             Schismatoclada pubescens
                                     Schizomussaenda
                                             Schizomussaenda henryi
                                                   [Mussaenda dehiscens]
                                                   [Mussaenda henryi]
                                                   [Schizomussaenda dehiscens]
                                     Schradera
                                             Schradera exotica
                                                   [Schradera vahlii]
                                                   [Urceolaria exotica]
                                     Scleromitrion
                                             Scleromitrion gracilipes
                                                   [Hedyotis gracilipes]
                                             Scleromitrion pinifolium
                                                   [Hedyotis pinifolia]
                                             Scleromitrion tenelliflorum
                                                   [Hedyotis tenelliflora]
                                             Scleromitrion verticillatum
                                                   [Hedyotis verticillata]
                                     Scolosanthus
                                             Scolosanthus grandifolius
                                                   [Scolosanthus multiflorus]
                                             Scolosanthus portoricensis
                                                   [Scolosanthus densiflorus]
                                             Scolosanthus versicolor
                                     Scyphiphora
                                             Scyphiphora hydrophylacea
                                                   [Scyphiphora hydrophyllacea]
                                     Scyphostachys
                                             Scyphostachys coffeoides
                                     Serissa
                                             Serissa japonica
                                                   [Serissa crassiramea]
                                                   [Serissa foetida]
                                                   [Serissa serissoides]
                                     Sherardia
                                             Sherardia arvensis
                                                   [Asperula sherardia]
                                                   [Galium sherardia]
                                                   [Hexodontocarpus arvensis]
                                     Sickingia
                                     Siemensia
                                             Siemensia pendula
                                     Simira
                                             Simira cordifolia
                                             Simira mexicana
                                             Simira mollis
                                                   [Sickingia mollis]
                                             Simira rhodoclada
                                             Simira rubescens
                                             Simira salvadorensis
                                                   [Sickingia lancifolia]
                                                   [Simira multiflora]
                                             Simira tinctoria
                                                   [Psychotria tinctoria]
                                     Sinoadina
                                             Sinoadina racemosa
                                     Sipaneopsis
                                             Sipaneopsis rupicola
                                                   [Rondeletia rupicola var. chiribiquetana]
                                                   [Rondeletia rupicola]
                                     Sommera
                                             Sommera arborescens
                                             Sommera chiapensis
                                             Sommera donnell-smithii
                                             Sommera grandis
                                             Sommera sabiceoides
                                     Spermacoce
                                             Spermacoce alata
                                                   [Borreria alata]
                                                   [Borreria latifolia]
                                                   [Spermacoce latifolia]
                                             Spermacoce brachysepala
                                                   [Borreria brachysepala]
                                                   [Borreria laevis var. sintenisii]
                                                   [Spermacoce sintenisii]
                                             Spermacoce brachystema
                                             Spermacoce brachystemonoides
                                                   [Borreria brachystemonoides]
                                             Spermacoce brownii
                                                   [Borreria tonalensis]
                                                   [Borreria vegeta]
                                             Spermacoce capillaris
                                                   [Borreria capillaris]
                                             Spermacoce capitata
                                                   [Borreria tenella var. caesia]
                                                   [Borreria tenella var. pubescens]
                                             Spermacoce confusa
                                             Spermacoce dasycephala
                                                   [Borreria dasycephala]
                                                   [Diodia dasycephala]
                                             Spermacoce densiflora
                                                   [Borreria arenicola]
                                                   [Borreria densiflora]
                                                   [Borreria radicosa]
                                             Spermacoce eryngioides
                                             Spermacoce exilis
                                                   [Borreria exilis]
                                                   [Borreria repens]
                                                   [Spermacoce mauritiana]
                                             Spermacoce glabra
                                             Spermacoce huillensis
                                             Spermacoce jaliscensis
                                             Spermacoce keyensis
                                                   [Spermacoce floridana]
                                                   [Spermacoce tenuior var. floridana]
                                             Spermacoce laevis
                                                   [Spermacoce riparia]
                                             Spermacoce lagunensis
                                                   [Borreria lagunensis]
                                             Spermacoce marticrovettiana
                                                   [Borreria marticrovettiana]
                                             Spermacoce neoterminalis
                                                   [Borreria terminalis]
                                                   [Spermacoce terminalis]
                                             Spermacoce nesiotica
                                                   [Borreria nesiotica]
                                             Spermacoce ocymifolia
                                                   [Diodia ocymifolia]
                                                   [Hemidiodia ocymifolia]
                                             Spermacoce ovalifolia
                                                   [Spermacoce ernestii]
                                             Spermacoce palustris
                                                   [Diodia gymnocephala]
                                             Spermacoce poaya
                                                   [Borreria poaya var. grandiflora]
                                                   [Borreria poaya]
                                             Spermacoce prostrata
                                                   [Borreria heterophylla]
                                                   [Borreria ocymoides]
                                                   [Borreria prostrata]
                                                   [Spermacoce ocymoides]
                                                   [Spermacoce patula]
                                                   [Spermacoce repens]
                                             Spermacoce remota
                                                   [Borreria laevis]
                                                   [Borreria remota]
                                                   [Spermacoce assurgens]
                                                   [Spermacoce suffrutescens]
                                             Spermacoce scabiosoides
                                                   [Borreria humifusa]
                                             Spermacoce senensis
                                                   [Borreria squarrosa]
                                             Spermacoce suaveolens
                                                   [Borreria suaveolens]
                                             Spermacoce tenella
                                                   [Borreria capitata var. tenella]
                                                   [Borreria tenella]
                                             Spermacoce tenuior
                                             Spermacoce tetraquetra
                                             Spermacoce verticillata
                                                   [Borreria thymocephala]
                                                   [Borreria verticillata]
                                                   [Borreria verticilliata]
                                     Sphinctanthus
                                             Sphinctanthus hasslerianus
                                             Sphinctanthus maculatus
                                                   [Tocoyena amazonica]
                                     Staelia
                                     Stenaria
                                             Stenaria butterwickiae
                                                   [Hedyotis butterwickiae]
                                                   [Houstonia butterwickiae]
                                             Stenaria mullerae
                                               Stenaria mullerae var. mullerae
                                                     [Hedyotis mullerae]
                                                     [Houstonia mullerae]
                                               Stenaria mullerae var. pooleana
                                                     [Hedyotis pooleana]
                                             Stenaria nigricans
                                               Stenaria nigricans var. floridana
                                                     [Hedyotis nigricans var. floridana]
                                                     [Hedyotis purpurea var. floridana]
                                                     [Houstonia floridana]
                                                     [Houstonia nigricans var. floridana]
                                               Stenaria nigricans var. gypsophila
                                               Stenaria nigricans var. nigricans
                                                     [Chamisme angustifolia]
                                                     [Gentiana nigricans]
                                                     [Hedyotis nigricans var. austrotexana]
                                                     [Hedyotis nigricans var. filifolia]
                                                     [Hedyotis nigricans var. nigricans]
                                                     [Hedyotis nigricans var. papillacea]
                                                     [Hedyotis nigricans var. pulvinata]
                                                     [Hedyotis nigricans var. rigidiuscula]
                                                     [Hedyotis nigricans var. scabra]
                                                     [Hedyotis nigricans]
                                                     [Hedyotis salina]
                                                     [Houstonia angustifolia var. filifolia]
                                                     [Houstonia angustifolia var. rigidiuscula]
                                                     [Houstonia angustifolia]
                                                     [Houstonia filifolia]
                                                     [Houstonia nigricans var. pulvinata]
                                                     [Houstonia nigricans]
                                                     [Houstonia pulvinata]
                                                     [Houstonia rigidiuscula]
                                                     [Houstonia salina]
                                                     [Houstonia tenuis]
                                                     [Oldenlandia angustifolia var. filifolia]
                                                     [Oldenlandia angustifolia]
                                             Stenaria rupicola
                                                   [Hedyotis angulata]
                                                   [Hedyotis nigricans var. angulata]
                                                   [Hedyotis nigricans var. parviflora]
                                                   [Hedyotis stenophylla var. parviflora]
                                                   [Houstonia rupicola]
                                             Stenaria umbratilis
                                                   [Houstonia umbratilis]
                                     Stenostomum
                                           [Neolaugeria]
                                             Stenostomum acutatum
                                                   [Antirhea acutata]
                                             Stenostomum coriaceum
                                                   [Antirhea coriacea]
                                             Stenostomum granulatum
                                                   [Antirhea granulata]
                                             Stenostomum lucidum
                                                   [Antirhea lucida]
                                                   [Laugeria lucida]
                                             Stenostomum obtusifolium
                                                   [Antirhea obtusifolia]
                                             Stenostomum portoricense
                                                   [Antirhea portoricensis]
                                             Stenostomum resinosum
                                                   [Laugeria resinosa]
                                                   [Neolaugeria resinosa]
                                                   [Terebraria resinosa]
                                             Stenostomum sintenisii
                                                   [Antirhea sintenisii]
                                     Stenotis
                                             Stenotis arenaria
                                                   [Hedyotis arenaria]
                                                   [Houstonia arenaria]
                                             Stenotis asperuloides
                                                   [Hedyotis asperuloides]
                                                   [Houstonia asperuloides]
                                               Stenotis asperuloides var. asperuloides
                                               Stenotis asperuloides var. brandegeeana
                                                     [Hedyotis asperuloides var. brandegeeana]
                                             Stenotis australis
                                                   [Hedyotis saxatilis]
                                                   [Houstonia australis]
                                             Stenotis brevipes
                                                   [Hedyotis brevipes]
                                                   [Houstonia brevipes]
                                             Stenotis gracilenta
                                                   [Houstonia gracilenta]
                                             Stenotis mucronata
                                                   [Hedyotis mucronata]
                                                   [Houstonia mucronata]
                                             Stenotis peninsularis
                                                   [Hedyotis peninsularis]
                                                   [Houstonia peninsularis]
                                             Stenotis ×gracilenta
                                                   [Hedyotis ×gracilenta]
                                     Stevensia
                                             Stevensia buxifolia
                                                   [Rondeletia poitaei]
                                     Steyermarkia
                                             Steyermarkia guatemalensis
                                     Streblosa
                                             Streblosa glabrata
                                                   [Streblosa platyphylla]
                                     Strumpfia
                                             Strumpfia maritima
                                     Stylosiphonia
                                             Stylosiphonia glabra
                                     Sulitia
                                     Synaptantha
                                             Synaptantha tillaeacea
                                     Tarenna
                                             Tarenna acutisepala
                                             Tarenna asiatica
                                             Tarenna attenuata
                                             Tarenna dallachiana
                                             Tarenna flava
                                             Tarenna fragrans
                                             Tarenna junodii
                                             Tarenna lancilimba
                                             Tarenna macroptera
                                             Tarenna nigrescens
                                             Tarenna sambucina
                                               Tarenna sambucina var. oweniana
                                             Tarenna thouarsiana
                                     Tarennoidea
                                             Tarennoidea wallichii
                                     Terebraria
                                     Tessiera
                                             Tessiera lithospermoides
                                                   [Borreria asperifolia]
                                                   [Spermacoce asperifolia]
                                                   [Staelia scabra]
                                     Thiollierea
                                             Thiollierea campanulata
                                                   [Bikkia campanulata]
                                     Timonius
                                             Timonius caudatifolius
                                             Timonius celebicus
                                             Timonius flavescens
                                                   [Timonius jambosella]
                                             Timonius ledermannii
                                             Timonius nitidus
                                             Timonius timon
                                             Timonius trichophorus
                                                   [Greenea hirsuta]
                                             Timonius uniflorus
                                             Timonius urdanetensis
                                     Tocoyena
                                             Tocoyena bullata
                                                   [Tocoyena bullata f. puberula]
                                     Tontanea
                                     Triainolepis
                                             Triainolepis africana
                                     Tricalysia
                                             Tricalysia cryptocalyx
                                             Tricalysia humbertii
                                             Tricalysia reticulata
                                     Trichogalium
                                     Triflorensia
                                             Triflorensia ixoroides
                                                   [Diplospora ixoroides]
                                     Uncaria
                                             Uncaria attenuata
                                                   [Uncaria bulusanensis]
                                             Uncaria barbata
                                             Uncaria cordata
                                               Uncaria cordata var. cordata
                                                     [Uncaria pedicellata]
                                             Uncaria gambir
                                             Uncaria lancifolia
                                             Uncaria lanosa
                                               Uncaria lanosa var. ferrea
                                                     [Uncaria ferrea]
                                             Uncaria macrophylla
                                             Uncaria rhynchophylla
                                     Urceolaria
                                     Urophyllum
                                             Urophyllum arboreum
                                                   [Urophyllum glabrum]
                                             Urophyllum borneense
                                             Urophyllum ellipticum
                                             Urophyllum streptopodium
                                             Urophyllum urdanetense
                                     Vaillantia
                                     Valantia
                                             Valantia hispida
                                             Valantia muralis
                                     Vangueria
                                             Vangueria cyanescens
                                             Vangueria esculenta
                                             Vangueria infausta
                                             Vangueria latifolia
                                                   [Pachystigma latifolium]
                                             Vangueria macrocalyx
                                                   [Pachystigma macrocalyx]
                                             Vangueria madagascariensis
                                                   [Vangueria edulis]
                                             Vangueria venosa
                                                   [Pachystigma venosum]
                                     Wandersong
                                             Wandersong exserta
                                                   [Chione lucida]
                                     Warszewiczia
                                             Warszewiczia coccinea
                                             Warszewiczia schwackei
                                             Warszewiczia uxpanapensis
                                                   [Elaeagia uxpanapensis]
                                     Wendlandia
                                             Wendlandia basistaminea
                                             Wendlandia bicuspidata
                                             Wendlandia brachyantha
                                             Wendlandia budleioides
                                                   [Wendlandia grandis]
                                             Wendlandia burkillii
                                             Wendlandia connata
                                             Wendlandia psychotrioides
                                             Wendlandia scabra
                                             Wendlandia speciosa
                                             Wendlandia thyrsoidea
                                                   [Wendlandia notoniana]
                                             Wendlandia tinctoria
                                               Wendlandia tinctoria subsp. orientalis
                                             Wendlandia uvariifolia
                                               Wendlandia uvariifolia subsp. uvariifolia
                                     Williamsia
                                     Wittmackanthus
                                             Wittmackanthus stanleyanum