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Organism
  Plantae
   Viridiplantae
     Streptophyta
     Embryophyta
      Tracheophyta
        Spermatophytina
            Magnoliopsida
                  Asteranae
                    Gentianales
                           [Rubiales]
                            Loganiaceae
                                     Chilianthus
                                     Gardneria
                                             Gardneria angustifolia
                                     Geniostoma
                                             Geniostoma celastrineum
                                             Geniostoma densiflora
                                               Geniostoma densiflora var. oleifolium
                                                     [Geniostoma oleifolium]
                                             Geniostoma micranthum
                                               Geniostoma micranthum var. hoeferi
                                               Geniostoma micranthum var. micranthum
                                             Geniostoma rupestre
                                               Geniostoma rupestre var. ligustrifolium
                                                     [Geniostoma ligustrifolium]
                                             Geniostoma sykesii
                                     Labordia
                                             Labordia cyrtandrae
                                             Labordia degeneri
                                                   [Labordia degeneri var. subcarinata]
                                             Labordia fagraeoidea
                                                   [Labordia fagraeoidea var. conferta]
                                                   [Labordia fagraeoidea var. humei]
                                                   [Labordia fagraeoidea var. jugorum]
                                             Labordia hedyosmifolia
                                                   [Labordia glabra var. orientalis]
                                                   [Labordia glabra]
                                                   [Labordia hedyosmifolia var. centralis]
                                                   [Labordia hedyosmifolia var. grayana]
                                                   [Labordia hedyosmifolia var. kilaueana]
                                                   [Labordia hedyosmifolia var. magnifolia]
                                                   [Labordia hedyosmifolia var. robusta]
                                                   [Labordia hedyosmifolia var. rockii]
                                                   [Labordia hedyosmifolia var. skottsbergii]
                                                   [Labordia mauiensis]
                                                   [Labordia nelsoni]
                                                   [Labordia nelsonii]
                                             Labordia helleri
                                                   [Labordia helleri var. macrocarpa]
                                                   [Labordia kaalae var. kauaiensis]
                                             Labordia hirtella
                                                   [Labordia baillonii]
                                                   [Labordia cyrtandrae var. nahikuana]
                                                   [Labordia hirtella var. haleakalana]
                                                   [Labordia hirtella var. hispidior]
                                                   [Labordia hirtella var. imbricata]
                                                   [Labordia hirtella var. laevis]
                                                   [Labordia hirtella var. laevisepala]
                                                   [Labordia hirtella var. microcalyx]
                                                   [Labordia hirtella var. microphylla]
                                                   [Labordia hirtella var. sororia]
                                                   [Labordia membranacea var. exigua]
                                                   [Labordia membranacea]
                                                   [Labordia olympiana]
                                                   [Labordia pallida var. hispidula]
                                                   [Labordia pallida]
                                                   [Labordia pedunculata]
                                                   [Labordia wawrana]
                                             Labordia hosakana
                                                   [Labordia glabra var. latisepala]
                                                   [Labordia hedyosmifolia var. hosakana]
                                             Labordia kaalae
                                                   [Labordia kaalae var. brachypoda]
                                                   [Labordia kaalae var. fosbergii]
                                                   [Labordia kaalae var. mendax]
                                             Labordia lorenceana
                                             Labordia lydgatei
                                             Labordia pumila
                                             Labordia sessilis
                                                   [Labordia fagraeoidea var. sessilis]
                                                   [Labordia hymenopoda]
                                             Labordia tinifolia
                                               Labordia tinifolia var. lanaiensis
                                               Labordia tinifolia var. tinifolia
                                                     [Labordia decurrens var. pocillata]
                                                     [Labordia decurrens]
                                                     [Labordia tinifolia var. euphorbioidea]
                                                     [Labordia tinifolia var. forbesii]
                                                     [Labordia tinifolia var. haupuensis]
                                                     [Labordia tinifolia var. honoluluensis]
                                                     [Labordia tinifolia var. leptantha]
                                                     [Labordia tinifolia var. microgyna]
                                                     [Labordia tinifolia var. parvifolia]
                                                     [Labordia tinifolia var. tenuifolia]
                                                     [Labordia tinifolia var. waialuana]
                                               Labordia tinifolia var. wahiawaensis
                                             Labordia triflora
                                             Labordia venosa
                                             Labordia waialealae
                                             Labordia waiolani
                                                   [Labordia fagraeoidea var. hillebrandii]
                                                   [Labordia fagraeoidea var. longisepala]
                                                   [Labordia fagraeoidea var. multinervia]
                                                   [Labordia fagraeoidea var. saint-johniana]
                                                   [Labordia fagraeoidea var. septentrionalis]
                                                   [Labordia fagraeoidea var. simulans]
                                                   [Labordia fagraeoidea var. waianaeana]
                                                   [Labordia molokaiana var. bryanii]
                                                   [Labordia molokaiana var. congesta]
                                                   [Labordia molokaiana var. lophocarpa]
                                                   [Labordia molokaiana var. munroi]
                                                   [Labordia molokaiana var. phyllocalyx]
                                                   [Labordia molokaiana var. setosa]
                                                   [Labordia molokaiana]
                                                   [Labordia nervosa]
                                     Logania
                                             Logania litoralis
                                             Logania vaginalis
                                     Mitrasacme
                                             Mitrasacme alsinoides
                                             Mitrasacme erophila
                                             Mitrasacme pygmaea
                                     Mitreola
                                           [Cynoctonum]
                                             Mitreola petiolata
                                                   [Cynoctonum mitreola]
                                                   [Cynoctonum petiolatum]
                                                   [Cynoctonum succulentum]
                                             Mitreola sessilifolia
                                                   [Cynoctonum angustifolium]
                                                   [Cynoctonum sessilifolium var. angustifolium]
                                                   [Cynoctonum sessilifolium var. microphyllum]
                                                   [Cynoctonum sessilifolium]
                                                   [Mitreola angustifolia]
                                     Neuburgia
                                             Neuburgia celebica
                                             Neuburgia collina
                                             Neuburgia moluccana
                                     Orianthera
                                             Orianthera serpyllifolia
                                               Orianthera serpyllifolia subsp. angustifolia
                                                     [Logania serpyllifolia subsp. angustifolia]
                                               Orianthera serpyllifolia subsp. serpyllifolia
                                                     [Logania serpyllifolia]
                                     Spigelia
                                           [Coelostylis]
                                             Spigelia anthelmia
                                             Spigelia breviflora
                                             Spigelia carnosa
                                             Spigelia chiapensis
                                             Spigelia gentianoides
                                               Spigelia gentianoides var. alabamensis
                                               Spigelia gentianoides var. gentianoides
                                             Spigelia hamelioides
                                             Spigelia hedyotidea
                                                   [Spigelia coelostylioides]
                                                   [Spigelia lindheimeri]
                                             Spigelia hurleyi
                                             Spigelia leiocarpa
                                             Spigelia loganioides
                                                   [Coelostylis loganioides]
                                             Spigelia marilandica
                                             Spigelia mexicana
                                             Spigelia pedunculata
                                             Spigelia petiolata
                                             Spigelia pulchella
                                             Spigelia pygmaea
                                             Spigelia riedeliana
                                             Spigelia scabra
                                                   [Spigelia humboldtiana]
                                                   [Spigelia palmeri]
                                             Spigelia scabrella
                                                   [Calophanes palmeri]
                                             Spigelia sellowiana
                                             Spigelia splendens
                                             Spigelia texana
                                             Spigelia valenzuelae
                                               Spigelia valenzuelae var. major
                                     Strychnos
                                             Strychnos brachistantha
                                             Strychnos duckei
                                             Strychnos lucida
                                             Strychnos madagascariensis
                                             Strychnos minor
                                             Strychnos mitscherlichii
                                               Strychnos mitscherlichii var. amapensis
                                             Strychnos nux-vomica
                                             Strychnos panamensis
                                                   [Strychnos tabascana]
                                             Strychnos parvifolia
                                             Strychnos pungens
                                             Strychnos spinosa
                                             Strychnos toxifera
                                             Strychnos usambarensis