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Organism
  Plantae
   Viridiplantae
     Streptophyta
     Embryophyta
      Tracheophyta
        Spermatophytina
            Magnoliopsida
                  Ranunculanae
                    Ranunculales
                           [Berberidales]
                           [Circaeasterales]
                           [Eupteleales]
                           [Fumariales]
                           [Glaucidiales]
                           [Helleborales]
                           [Hydrastidales]
                           [Lardizabalales]
                           [Menispermales]
                           [Nandinales]
                           [Papaverales]
                           [Podophyllales]
                            Papaveraceae
                                   [Chelidoniaceae]
                                   [Corydalaceae]
                                   [Eschscholziaceae]
                                   [Fumariaceae]
                                   [Hypecoaceae]
                                   [Platystemonaceae]
                                   [Pteridophyllaceae]
                                     Adlumia
                                             Adlumia fungosa
                                                   [Adlumia cirrhosa]
                                     Arctomecon
                                             Arctomecon californica
                                                   [Arctomecon californicum]
                                             Arctomecon humilis
                                             Arctomecon merriamii
                                                   [Arctomecon merriami]
                                     Argemone
                                             Argemone aenea
                                             Argemone albiflora
                                               Argemone albiflora subsp. albiflora
                                                     [Argemone alba]
                                               Argemone albiflora subsp. texana
                                                     [Argemone albiflora var. texana]
                                             Argemone arizonica
                                             Argemone aurantiaca
                                             Argemone chisosensis
                                             Argemone corymbosa
                                                   [Argemone corymbosa subsp. corymbosa]
                                                   [Argemone corymbosa var. corymbosa]
                                                   [Argemone intermedia subsp. corymbosa]
                                                   [Argemone intermedia var. corymbosa]
                                               Argemone corymbosa subsp. arenicola
                                                     [Argemone corymbosa var. arenicola]
                                             Argemone echinata
                                             Argemone fruticosa
                                             Argemone glauca
                                               Argemone glauca var. decipiens
                                               Argemone glauca var. glauca
                                                     [Argemone glauca var. inermis]
                                             Argemone gracilenta
                                             Argemone grandiflora
                                             Argemone hispida
                                                   [Argemone bipinnatifida]
                                                   [Argemone platyceras var. hispida]
                                             Argemone hunnemannii
                                             Argemone mexicana
                                                   [Argemone leiocarpa]
                                               Argemone mexicana subsp. mexicana
                                             Argemone munita
                                                   [Argemone munita subsp. argentea]
                                                   [Argemone munita subsp. munita]
                                                   [Argemone munita subsp. robusta]
                                                   [Argemone munita subsp. rotundata]
                                                   [Argemone munita var. argentea]
                                                   [Argemone munita var. robusta]
                                                   [Argemone munita var. rotundata]
                                                   [Argemone rotundata]
                                               Argemone munita subsp. argentea > munita subsp. munita
                                               Argemone munita subsp. argentea >< munita subsp. munita
                                               Argemone munita subsp. rotundata > munita subsp. munita
                                             Argemone ochroleuca
                                                   [Argemone mexicana var. ochroleuca]
                                                   [Argemone ochroleuca var. stenophylla]
                                               Argemone ochroleuca subsp. ochroleuca
                                                     [Argemone mexicana subsp. ochroleuca]
                                             Argemone parva
                                             Argemone pleiacantha
                                               Argemone pleiacantha subsp. ambigua
                                                     [Argemone pleiacantha var. ambigua]
                                               Argemone pleiacantha subsp. pinnatisecta
                                                     [Argemone pleiacantha var. pinnatisecta]
                                               Argemone pleiacantha subsp. pleiacantha
                                             Argemone polyanthemos
                                                   [Argemone intermedia var. intermedia]
                                                   [Argemone intermedia var. polyanthemos]
                                                   [Argemone intermedia]
                                                   [Argemone platyceras var. platyceras]
                                                   [Argemone platyceras]
                                             Argemone sanguinea
                                                   [Argemone platyceras var. rosea]
                                             Argemone squarrosa
                                               Argemone squarrosa subsp. glabrata
                                                     [Argemone squarrosa var. glabrata]
                                               Argemone squarrosa subsp. squarrosa
                                             Argemone subfusiformis
                                             Argemone subintegrifolia
                                             Argemone superba
                                             Argemone turnerae
                                               Argemone turnerae var. hispidula
                                                     [Argemone ownbeyana]
                                     Bicuculla
                                     Bikukulla
                                     Bocconia
                                             Bocconia arborea
                                             Bocconia frutescens
                                                   [Bocconia gracilis]
                                                   [Bocconia latisepala]
                                             Bocconia glaucifolia
                                             Bocconia integrifolia
                                                   [Bocconia pearcei]
                                             Bocconia vulcanica
                                     Canbya
                                             Canbya aurea
                                             Canbya candida
                                     Capnodes
                                     Capnoides
                                     Capnorchis
                                     Ceratocapnos
                                             Ceratocapnos claviculata
                                     Chelidonium
                                             Chelidonium majus
                                                   [Chelidonium laciniatum]
                                                   [Chelidonium majus var. laciniatum]
                                                   [Chelidonium majus var. majus]
                                                   [Chelidonium majus var. plenum]
                                     Chryseis
                                     Corniveum
                                     Corydalis
                                             Corydalis allenii
                                             Corydalis ampelos
                                             Corydalis aquae-gelidae
                                                   [Corydalis caseana subsp. aquae-gelidae]
                                             Corydalis aurea
                                                   [Capnodes aureum]
                                                   [Capnoides aureum]
                                                   [Corydalis aurea subsp. aurea]
                                                   [Corydalis aurea var. robusta]
                                                   [Corydalis jonesii]
                                                   [Corydalis oregana]
                                                   [Corydalis tortisiliqua]
                                                   [Corydalis washingtoniana]
                                                   [Corydalis wetherillii]
                                               Corydalis aurea subsp. aurea
                                                     [Corydalis wyomingensis var. lativaginata]
                                                     [Corydalis wyomingensis]
                                               Corydalis aurea subsp. occidentalis
                                                     [Capnoides montanum]
                                                     [Corydalis aurea var. occidentalis]
                                                     [Corydalis curvisiliqua subsp. occidentalis]
                                                     [Corydalis montana]
                                               Corydalis aurea var. aurea
                                             Corydalis capnoides
                                             Corydalis caseana
                                               Corydalis caseana subsp. brachycarpa
                                                     [Capnoides brachycarpum]
                                               Corydalis caseana subsp. brandegeei
                                                     [Corydalis brandegeei]
                                               Corydalis caseana subsp. caseana
                                                     [Corydalis bidwelliae]
                                                     [Corydalis caseana var. caseana]
                                               Corydalis caseana subsp. cusickii
                                                     [Corydalis caseana var. cusickii]
                                                     [Corydalis cusickii]
                                               Corydalis caseana subsp. hastata
                                                     [Capnoides hastatum]
                                                     [Corydalis caseana var. hastata]
                                               Corydalis caseana var. caseana
                                             Corydalis cava
                                             Corydalis cheilanthifolia
                                             Corydalis crystallina
                                                   [Capnoides crystallinum]
                                             Corydalis curvisiliqua
                                               Corydalis curvisiliqua subsp. curvisiliqua
                                               Corydalis curvisiliqua subsp. grandibracteata
                                                     [Corydalis curvisiliqua var. grandibracteata]
                                             Corydalis davidii
                                             Corydalis decumbens
                                             Corydalis dulongjiangensis
                                             Corydalis enantiophylla
                                             Corydalis flavula
                                                   [Capnoides flavulum]
                                                   [Fumaria flavula]
                                             Corydalis gracillima
                                             Corydalis incisa
                                             Corydalis japonica
                                             Corydalis kiukiangensis
                                             Corydalis latiloba
                                             Corydalis leptocarpa
                                             Corydalis lutea
                                                   [Pseudofumaria lutea]
                                             Corydalis lutescens
                                             Corydalis mayae
                                             Corydalis micrantha
                                               Corydalis micrantha subsp. australis
                                                     [Capnoides campestre]
                                                     [Capnoides halei]
                                                     [Corydalis aurea var. australis]
                                                     [Corydalis campestris]
                                                     [Corydalis halei]
                                                     [Corydalis micrantha var. australis]
                                               Corydalis micrantha subsp. micrantha
                                                     [Capnoides micranthum]
                                                     [Corydalis aurea var. micrantha]
                                               Corydalis micrantha subsp. texensis
                                                     [Corydalis micrantha var. texensis]
                                             Corydalis ophiocarpa
                                             Corydalis pauciflora
                                                   [Corydalis pauciflora var. albiflora]
                                                   [Corydalis pauciflora var. chamissonis]
                                             Corydalis petrophila
                                             Corydalis pinnatibracteata
                                             Corydalis polyphylla
                                             Corydalis popovii
                                             Corydalis pseudoadoxa
                                             Corydalis pseudomicrantha
                                             Corydalis scouleri
                                                   [Capnoides scouleri]
                                             Corydalis sempervirens
                                                   [Capnoides sempervirens]
                                             Corydalis solida
                                                   [Corydalis bulbosa]
                                             Corydalis susannae
                                             Corydalis taliensis
                                             Corydalis trachycarpa
                                                   [Corydalis alpigena]
                                             Corydalis trifoliata
                                             Corydalis turtschaninovii
                                               Corydalis turtschaninovii subsp. vernyi
                                                     [Corydalis turtschaninovii var. ternata]
                                             Corydalis yunnanensis
                                     Dactylicapnos
                                             Dactylicapnos gaoligongshanensis
                                             Dactylicapnos leiosperma
                                             Dactylicapnos scandens
                                             Dactylicapnos torulosa
                                     Dendromecon
                                             Dendromecon harfordii
                                                   [Dendromecon densifolia]
                                                   [Dendromecon flexile]
                                                   [Dendromecon harfordii var. harfordii]
                                                   [Dendromecon harfordii var. rhamnoides]
                                                   [Dendromecon rhamnoides]
                                                   [Dendromecon rigida subsp. harfordii]
                                                   [Dendromecon rigida subsp. rhamnoides]
                                                   [Dendromeda rigida subsp. rhamnoides]
                                             Dendromecon rigida
                                                   [Dendromecon agnina]
                                                   [Dendromecon caudata]
                                                   [Dendromecon elliptica]
                                                   [Dendromecon ellipticum]
                                                   [Dendromecon herbacea]
                                                   [Dendromecon quercetorum]
                                                   [Dendromecon rigida subsp. rigida]
                                                   [Dendromecon rigida var. rhamnoides]
                                     Dendromeda
                                             Dendromeda rigida
                                     Dicentra
                                             Dicentra canadensis
                                                   [Bicuculla canadensis]
                                             Dicentra cucullaria
                                                   [Bicuculla cucullaria]
                                                   [Bicuculla occidentalis]
                                                   [Dicentra cucullaria var. occidentalis]
                                                   [Dicentra occidentalis]
                                             Dicentra eximia
                                                   [Bicuculla eximia]
                                             Dicentra formosa
                                                   [Bicuculla formosa]
                                                   [Bikukulla formosa]
                                                   [Capnorchis formosa]
                                                   [Corydalis formosa]
                                                   [Diclytra formosa]
                                                   [Dielytra formosa]
                                                   [Eucapnos formosus]
                                                   [Fumaria formosa]
                                               Dicentra formosa subsp. formosa
                                                     [Dicentra formosa var. brevifolia]
                                                     [Dicentra formosa var. brevipes]
                                               Dicentra formosa subsp. oregana
                                                     [Dicentra formosa var. oregana]
                                                     [Dicentra oregana]
                                                     [Dicentra oregona]
                                               Dicentra formosa subsp. oregona
                                             Dicentra nevadensis
                                                   [Dicentra formosa subsp. nevadensis]
                                             Dicentra pauciflora
                                                   [Bicuculla pauciflora]
                                                   [Bikukulla pauciflora]
                                                   [Capnorchis pauciflora]
                                                   [Diclytra pauciflora]
                                             Dicentra peregrina
                                             Dicentra spectabilis
                                                   [Lamprocapnos spectabilis]
                                             Dicentra uniflora
                                                   [Bicuculla uniflora]
                                                   [Bikukulla uniflora]
                                                   [Capnorchis uniflora]
                                                   [Corniveum uniflorum]
                                                   [Diclytra uniflora]
                                     Diclytra
                                     Dielytra
                                     Ehrendorferia
                                             Ehrendorferia chrysantha
                                                   [Bicuculla chrysantha]
                                                   [Bikukulla chrysantha]
                                                   [Capnorchis chrysantha]
                                                   [Dicentra chrysantha]
                                                   [Diclytra chrysantha]
                                                   [Dielytra chrysantha]
                                             Ehrendorferia ochroleuca
                                                   [Bicuculla ochroleuca]
                                                   [Bikukulla ochroleuca]
                                                   [Capnorchis ochroleuca]
                                                   [Dicentra ochroleuca]
                                                   [Diclytra ochroleuca]
                                     Eschscholtzia
                                           [Petromecon]
                                             Eschscholtzia lemmoni
                                             Eschscholtzia lemmonii
                                     Eschscholzia
                                             Eschscholzia androuxii
                                             Eschscholzia caespitosa
                                                   [Eschscholtzia caespitosa var. caespitosa]
                                                   [Eschscholtzia caespitosa]
                                                   [Eschscholzia caespitosa subsp. caespitosa]
                                                   [Eschscholzia caespitosa var. caespitosa]
                                                   [Eschscholzia formosa var. urocalyx]
                                             Eschscholzia californica
                                                   [Chryseis californica]
                                                   [Eschscholtzia californica subsp. californica]
                                                   [Eschscholtzia californica var. californica]
                                                   [Eschscholtzia californica var. peninsularis]
                                                   [Eschscholtzia californica]
                                                   [Eschscholzia californica subsp. californica]
                                                   [Eschscholzia californica var. californica]
                                                   [Eschscholzia californica var. crocea]
                                                   [Eschscholzia californica var. luxurians]
                                                   [Eschscholzia californica var. peninsularis]
                                                   [Eschscholzia crocea var. apiifolia]
                                                   [Eschscholzia dumetorum]
                                                   [Eschscholzia floribunda var. gorgonica]
                                                   [Eschscholzia granulata var. minuscula]
                                                   [Eschscholzia ludens]
                                                   [Eschscholzia menziesiana var. anemophila]
                                                   [Eschscholzia menziesiana var. coarctata]
                                                   [Eschscholzia recta]
                                                   [Eschscholzia shastensis]
                                                   [Eschscholzia tenuisecta]
                                               Eschscholzia californica subsp. mexicana
                                                     [Eschscholzia californica var. mexicana]
                                             Eschscholzia glyptosperma
                                                   [Eschscholtzia glyptosperma]
                                             Eschscholzia hypecoides
                                                   [Eschscholtzia caespitosa var. hypecoides]
                                                   [Eschscholzia caespitosa var. hypecoides]
                                             Eschscholzia lemmoni
                                             Eschscholzia lemmonii
                                               Eschscholzia lemmonii subsp. kernensis
                                                     [Eschscholtzia lemmoni subsp. kernensis]
                                                     [Eschscholtzia lemmonii subsp. kernensis]
                                                     [Eschscholzia caespitosa subsp. kernensis]
                                                     [Eschscholzia lemmoni subsp. kernensis]
                                               Eschscholzia lemmonii subsp. lemmonii
                                                     [Eschscholtzia lemmoni subsp. lemmoni]
                                                     [Eschscholtzia lemmoni var. lemmoni]
                                                     [Eschscholtzia lemmonii subsp. lemmonii]
                                                     [Eschscholtzia lemmonii var. lemmonii]
                                                     [Eschscholzia asprella]
                                                     [Eschscholzia lemmoni subsp. lemmoni]
                                                     [Eschscholzia lemmoni var. lemmoni]
                                                     [Eschscholzia lemmonii var. asprella]
                                                     [Eschscholzia lemmonii var. cuspidata]
                                                     [Eschscholzia lemmonii var. laxa]
                                                     [Eschscholzia lemmonii var. lemmonii]
                                             Eschscholzia lobbii
                                             Eschscholzia mexicana
                                             Eschscholzia minutiflora
                                                   [Eschscholtzia minutiflora]
                                                   [Eschscholzia minuscula]
                                               Eschscholzia minutiflora subsp. covillei
                                                     [Eschscholzia covillei]
                                                     [Eschscholzia minutiflora var. darwinensis]
                                               Eschscholzia minutiflora subsp. minutiflora
                                               Eschscholzia minutiflora subsp. twisselmannii
                                                     [Eschscholzia multiflora subsp. twisselmannii]
                                             Eschscholzia multiflora
                                             Eschscholzia palmeri
                                                   [Eschscholzia frutescens]
                                                   [Petromecon frutescens]
                                             Eschscholzia papastillii
                                             Eschscholzia parishii
                                                   [Eschscholtzia minutiflora var. parishii]
                                                   [Eschscholzia minutiflora var. parishii]
                                             Eschscholzia ramosa
                                                   [Eschscholzia elegans var. ramosa]
                                                   [Eschscholzia elegans]
                                             Eschscholzia rhombipetala
                                                   [Eschscholzia caespitosa var. rhombipetala]
                                     Eucapnos
                                     Fumaria
                                             Fumaria agraria
                                             Fumaria barnolae
                                               Fumaria barnolae subsp. barnolae
                                                     [Fumaria media]
                                             Fumaria bastardii
                                             Fumaria capreolata
                                                   [Fumaria officinalis var. capreolata]
                                             Fumaria densiflora
                                             Fumaria kralikii
                                             Fumaria montana
                                                   [Fumaria praetermissa]
                                             Fumaria muralis
                                             Fumaria occidentalis
                                             Fumaria officinalis
                                                   [Fumaria officinalis subsp. officinalis]
                                                   [Fumaria officinalis subsp. wirtgenii]
                                                   [Fumaria officinalis var. wirtgenii]
                                             Fumaria parviflora
                                                   [Fumaria officinalis var. parviflora]
                                             Fumaria reuteri
                                                   [Fumaria martinii]
                                             Fumaria schleicheri
                                             Fumaria vaillantii
                              Fumarioideae
                                     Cysticapnos
                                             Cysticapnos vesicaria
                                     Glaucium
                                             Glaucium contortuplicatum
                                             Glaucium corniculatum
                                                   [Chelidonium corniculatum]
                                             Glaucium elegans
                                               Glaucium elegans subsp. bracteatum
                                                     [Glaucium bracteatum]
                                             Glaucium flavum
                                                   [Glaucium corniculatum var. flavum]
                                               Glaucium flavum var. flavum
                                               Glaucium flavum var. fulvum
                                             Glaucium flavum f. subleiocarpum
                                     Hesperomecon
                                             Hesperomecon linearis
                                                   [Hesperomecon filiformis]
                                                   [Meconella linearis var. pulchella]
                                                   [Meconella linearis]
                                                   [Platystemon linearis]
                                                   [Platystigma lineare]
                                                   [Platystigma linearis]
                                     Hunnemannia
                                             Hunnemannia fumariifolia
                                             Hunnemannia hintoniorum
                                     Hypecoum
                                             Hypecoum imberbe
                                                   [Hypecoum grandiflorum]
                                             Hypecoum pendulum
                                             Hypecoum procumbens
                                     Lamprocapnos
                                     Macleaya
                                             Macleaya cordata
                                                   [Bocconia cordata]
                                                   [Bocconia japonica]
                                     Meconella
                                             Meconella californica
                                                   [Meconella collina]
                                                   [Meconella octandra]
                                                   [Meconella oregana var. californica]
                                             Meconella denticulata
                                                   [Meconella kakoethes]
                                                   [Meconella oregana var. denticulata]
                                                   [Platystigma denticulatum]
                                             Meconella oregana
                                     Meconopsis
                                             Meconopsis chelidoniifolia
                                             Meconopsis impedita
                                             Meconopsis lancifolia
                                             Meconopsis regia
                                             Meconopsis smithiana
                                     Papaver
                                             Papaver alboroseum
                                                   [Papaver alboroseum var. elongatum]
                                             Papaver alpinum
                                                   [Papaver nudicaule var. pseudocorylatifolium]
                                             Papaver apulum
                                             Papaver argemone
                                             Papaver atlanticum
                                             Papaver bracteatum
                                             Papaver californicum
                                                   [Papaver lemmonii]
                                             Papaver cambricum
                                                   [Meconopsis cambrica]
                                             Papaver coloradense
                                             Papaver commutatum
                                             Papaver dubium
                                             Papaver fugax
                                             Papaver glaucum
                                             Papaver gorodkovii
                                             Papaver heterophyllum
                                                   [Meconopsis heterophylla]
                                                   [Stylomecon heterophylla]
                                             Papaver hybridum
                                                   [Papaver apulum var. micranthum]
                                             Papaver lapponicum
                                                   [Papaver hultenii var. salmonicolor]
                                                   [Papaver hultenii]
                                                   [Papaver lapponicum var. lapponicum]
                                                   [Papaver radicatum subsp. lapponicum]
                                             Papaver lateritium
                                             Papaver lecoqii
                                             Papaver macounii
                                               Papaver macounii subsp. discolor
                                                     [Papaver keelei]
                                                     [Papaver macounii var. discolor]
                                                     [Papaver microcarpum]
                                                     [Papaver scammanianum]
                                               Papaver macounii subsp. macounii
                                                     [Papaver alaskanum var. macranthum]
                                             Papaver mcconnellii
                                                   [Papaver denalii]
                                             Papaver nudicaule
                                                   [Papaver croceum]
                                               Papaver nudicaule subsp. americanum
                                               Papaver nudicaule subsp. nudicaule
                                                     [Papaver miyabeanum]
                                             Papaver orientale
                                                   [Papaver pseudo-orientale]
                                                   [Papaver pseudoorientale]
                                             Papaver pygmaeum
                                                   [Papaver radicatum var. pygmaeum]
                                             Papaver radicatum
                                               Papaver radicatum subsp. alaskanum
                                                     [Papaver alaskanum]
                                               Papaver radicatum subsp. kluanense
                                                     [Papaver freedmanianum]
                                                     [Papaver kluanense]
                                                     [Papaver nudicaule var. coloradense]
                                                     [Papaver nudicaule var. columbianum]
                                               Papaver radicatum subsp. polare
                                                     [Papaver cornwallisense]
                                                     [Papaver cornwallisensis]
                                                     [Papaver nudicaule var. albiflora]
                                                     [Papaver polare]
                                                     [Papaver radicatum var. albiflorum]
                                               Papaver radicatum subsp. radicatum
                                                     [Papaver lapponicum subsp. occidentale]
                                                     [Papaver lapponicum subsp. porsildii]
                                                     [Papaver nigroflavum]
                                                     [Papaver nudicaule var. radicatum]
                                                     [Papaver radicatum subsp. occidentale]
                                                     [Papaver radicatum subsp. porsildii]
                                             Papaver rhoeas
                                             Papaver setigerum
                                                   [Papaver somniferum subsp. setigerum]
                                             Papaver somniferum
                                                   [Papaver somniferum var. setigerum]
                                             Papaver umbonatum
                                                   [Papaver stylatum]
                                             Papaver walpolei
                                                   [Papaver walpolei var. sulphureomaculatum]
                                             Papaver × strigosum
                                     Peramium
                                     Platystemon
                                             Platystemon californicus
                                                   [Platystemon aculeolatus]
                                                   [Platystemon acutatus]
                                                   [Platystemon anemonoides]
                                                   [Platystemon antoninus]
                                                   [Platystemon arizonicus]
                                                   [Platystemon arvorum]
                                                   [Platystemon australis]
                                                   [Platystemon californicus var. californicus]
                                                   [Platystemon californicus var. capsularis]
                                                   [Platystemon californicus var. ciliatus]
                                                   [Platystemon californicus var. crinitus]
                                                   [Platystemon californicus var. horridulus]
                                                   [Platystemon californicus var. nutans]
                                                   [Platystemon californicus var. ornithopus]
                                                   [Platystemon californicus var. sphaerocarpus]
                                                   [Platystemon cernuus]
                                                   [Platystemon commixtus]
                                                   [Platystemon communis var. stylosus]
                                                   [Platystemon communis]
                                                   [Platystemon confinis]
                                                   [Platystemon contortus]
                                                   [Platystemon crenatus]
                                                   [Platystemon crinitus]
                                                   [Platystemon elegans]
                                                   [Platystemon emarginatus]
                                                   [Platystemon exsculptus]
                                                   [Platystemon glyptolobus]
                                                   [Platystemon heterander]
                                                   [Platystemon hispidulus]
                                                   [Platystemon horridulus]
                                                   [Platystemon hyacinthinus]
                                                   [Platystemon leptander]
                                                   [Platystemon mendocinus]
                                                   [Platystemon mohavensis]
                                                   [Platystemon obtectus]
                                                   [Platystemon ornithopus]
                                                   [Platystemon pectinatus]
                                                   [Platystemon penicillatus]
                                                   [Platystemon petrinus]
                                                   [Platystemon pilosellus]
                                                   [Platystemon purpuratus]
                                                   [Platystemon quercetorum]
                                                   [Platystemon remotus]
                                                   [Platystemon rigidulus]
                                                   [Platystemon rugosus]
                                                   [Platystemon setosus]
                                                   [Platystemon subereus]
                                                   [Platystemon tessellatus]
                                                   [Platystemon tortuosus]
                                                   [Platystemon villosus]
                                     Platystigma
                                     Pseudofumaria
                                     Roemeria
                                             Roemeria hybrida
                                             Roemeria multifida
                                             Roemeria palmata
                                             Roemeria pinguis
                                               Roemeria pinguis var. major
                                               Roemeria pinguis var. media
                                               Roemeria pinguis var. minor
                                             Roemeria refracta
                                             Roemeria zeae
                                     Romneya
                                             Romneya coulteri
                                                   [Romneya coulteri var. coulteri]
                                             Romneya trichocalyx
                                                   [Romneya coulteri var. trichocalyx]
                                     Sanguinaria
                                             Sanguinaria canadensis
                                                   [Sanguinaria canadensis var. rotundifolia]
                                             Sanguinaria ciliaris
                                     Sarcocapnos
                                             Sarcocapnos enneaphylla
                                     Stylomecon
                                     Stylophorum
                                             Stylophorum diphyllum