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  Plantae
    Viridiplantae
     Streptophyta
     Embryophyta
      Tracheophyta
        Spermatophytina
            Magnoliopsida
                  Asteranae
                    Boraginales
                            Hydrophyllaceae
                                     Decemium
                                     Draperia
                                             Draperia systyla
                                                   [Draperia systula]
                                     Ellisia
                                             Ellisia nyctelea
                                                   [Ellisia nyctelea var. coloradensis]
                                                   [Nyctelea nyctelea]
                                     Emmenanthe
                                             Emmenanthe penduliflora
                                               Emmenanthe penduliflora var. penduliflora
                                               Emmenanthe penduliflora var. rosea
                                             Emmenanthe rosea
                                     Eucrypta
                                             Eucrypta chrysanthemifolia
                                               Eucrypta chrysanthemifolia var. bipinnatifida
                                               Eucrypta chrysanthemifolia var. chrysanthemifolia
                                             Eucrypta micrantha
                                     Hesperochiron
                                             Hesperochiron californicus
                                                   [Hesperochiron californicus var. incanus]
                                                   [Hesperochiron californicus var. watsonianus]
                                                   [Hesperochiron lasianthus]
                                             Hesperochiron pumilus
                                                   [Hesperochiron villosulus]
                                     Hydrophyllum
                                             Hydrophyllum appendiculatum
                                                   [Decemium appendiculatum]
                                             Hydrophyllum brownei
                                             Hydrophyllum canadense
                                             Hydrophyllum capitatum
                                               Hydrophyllum capitatum var. alpinum
                                               Hydrophyllum capitatum var. capitatum
                                               Hydrophyllum capitatum var. thompsonii
                                             Hydrophyllum congestum
                                             Hydrophyllum fendleri
                                               Hydrophyllum fendleri var. albifrons
                                               Hydrophyllum fendleri var. fendleri
                                             Hydrophyllum macrophyllum
                                             Hydrophyllum occidentale
                                                   [Hydrophyllum occidentale var. watsonii]
                                             Hydrophyllum tenuipes
                                                   [Hydrophyllum viridulum]
                                             Hydrophyllum virginianum
                                               Hydrophyllum virginianum var. atranthum
                                               Hydrophyllum virginianum var. virginianum
                                     Miltitzia
                                             Miltitzia lutea
                                             Miltitzia scopulina
                                     Nemophila
                                             Nemophila aphylla
                                                   [Nemophila microcalyx]
                                                   [Nemophila triloba]
                                             Nemophila arizonica
                                             Nemophila breviflora
                                             Nemophila heterophylla
                                                   [Nemophila heterophylla var. tenera]
                                             Nemophila kirtleyi
                                             Nemophila maculata
                                             Nemophila menziesii
                                               Nemophila menziesii var. atomaria
                                                     [Nemophila menziesii ssp. atomaria]
                                               Nemophila menziesii var. integrifolia
                                                     [Nemophila menziesii ssp. australis]
                                                     [Nemophila menziesii ssp. integrifolia]
                                                     [Nemophila menziesii var. annulata]
                                                     [Nemophila menziesii var. incana]
                                                     [Nemophila menziesii var. intermedia]
                                                     [Nemophila menziesii var. rotata]
                                               Nemophila menziesii var. menziesii
                                                     [Nemophila menziesii ssp. insignis]
                                                     [Nemophila menziesii var. discoidalis]
                                                     [Nemophila menziesii var. venosa]
                                             Nemophila parviflora
                                               Nemophila parviflora var. austiniae
                                               Nemophila parviflora var. parviflora
                                               Nemophila parviflora var. quercifolia
                                             Nemophila pedunculata
                                             Nemophila phacelioides
                                             Nemophila pulchella
                                               Nemophila pulchella var. fremontii
                                               Nemophila pulchella var. gracilis
                                               Nemophila pulchella var. pulchella
                                             Nemophila spatulata
                                     Nyctelea
                                     Phacelia
                                             Phacelia adenophora
                                                   [Miltitzia glandulifera]
                                                   [Phacelia lutea var. glandulifera]
                                             Phacelia affinis
                                                   [Phacelia affinis var. patens]
                                             Phacelia alba
                                                   [Phacelia neomexicana var. alba]
                                             Phacelia alpina
                                             Phacelia amabilis
                                             Phacelia ambigua
                                             Phacelia ambiqua
                                             Phacelia anelsonii
                                             Phacelia argentea
                                             Phacelia argillacea
                                             Phacelia arizonica
                                                   [Phacelia popei var. arizonica]
                                             Phacelia austromontana
                                                   [Phacelia humilis var. lobata]
                                                   [Phacelia lobata]
                                             Phacelia bakeri
                                             Phacelia barnebyana
                                             Phacelia beatleyae
                                             Phacelia bicolor
                                                   [Phacelia bicolor var. bicolor]
                                             Phacelia bipinnatifida
                                                   [Phacelia bipinnatifida var. plummeri]
                                                   [Phacelia brevistyla]
                                             Phacelia bolanderi
                                             Phacelia bombycina
                                                   [Phacelia tenuipes]
                                             Phacelia brachyloba
                                             Phacelia breweri
                                             Phacelia buell-vivariensis
                                             Phacelia californica
                                             Phacelia calthifolia
                                             Phacelia campanularia
                                               Phacelia campanularia ssp. campanularia
                                               Phacelia campanularia ssp. vasiformis
                                             Phacelia capitata
                                             Phacelia cephalotes
                                             Phacelia cicutaria
                                               Phacelia cicutaria var. cicutaria
                                               Phacelia cicutaria var. hispida
                                                     [Phacelia cicutaria ssp. hispida]
                                               Phacelia cicutaria var. hubbyi
                                             Phacelia ciliata
                                               Phacelia ciliata var. ciliata
                                               Phacelia ciliata var. opaca
                                             Phacelia ciliosa
                                             Phacelia cloudcroftensis
                                             Phacelia coerulea
                                                   [Phacelia caerulea]
                                                   [Phacelia intermedia]
                                             Phacelia congdonii
                                                   [Phacelia divaricata var. congdonii]
                                             Phacelia congesta
                                                   [Phacelia congesta var. dissecta]
                                             Phacelia constancei
                                             Phacelia cookei
                                             Phacelia corrugata
                                             Phacelia corymbosa
                                             Phacelia covillei
                                             Phacelia crenulata
                                               Phacelia crenulata var. ambigua
                                                     [Phacelia ambigua var. ambigua]
                                               Phacelia crenulata var. angustifolia
                                               Phacelia crenulata var. corrugata
                                               Phacelia crenulata var. crenulata
                                                     [Phacelia crenulata var. funerea]
                                                     [Phacelia crenulata var. vulgaris]
                                               Phacelia crenulata var. minutiflora
                                                     [Phacelia ambigua var. minutiflora]
                                             Phacelia cronquistiana
                                             Phacelia cryptantha
                                                   [Phacelia cryptantha var. derivata]
                                             Phacelia curvipes
                                             Phacelia dalesiana
                                             Phacelia dasyphylla
                                             Phacelia davidsonii
                                                   [Phacelia curvipes var. macrantha]
                                             Phacelia demissa
                                               Phacelia demissa var. demissa
                                                     [Phacelia demissa var. heterotricha]
                                                     [Phacelia demissa var. typica]
                                               Phacelia demissa var. minor
                                             Phacelia denticulata
                                             Phacelia deserta
                                             Phacelia distans
                                                   [Phacelia cinerea]
                                                   [Phacelia distans var. australis]
                                             Phacelia divaricata
                                             Phacelia douglasii
                                               Phacelia douglasii var. douglasii
                                               Phacelia douglasii var. petrophila
                                             Phacelia dubia
                                               Phacelia dubia var. dubia
                                               Phacelia dubia var. georgiana
                                               Phacelia dubia var. interior
                                             Phacelia egena
                                                   [Phacelia magellanica]
                                             Phacelia eisenii
                                                   [Phacelia eisenii var. brandegeeana]
                                             Phacelia eremophila
                                             Phacelia exilis
                                                   [Phacelia mohavensis var. exilis]
                                             Phacelia filiformis
                                             Phacelia fimbriata
                                             Phacelia floribunda
                                             Phacelia formosula
                                             Phacelia franklinii
                                             Phacelia fremontii
                                             Phacelia frigida
                                             Phacelia furnissii
                                             Phacelia geraniifolia
                                                   [Phacelia perityloides var. jaegeri]
                                             Phacelia gilioides
                                             Phacelia glaberrima
                                             Phacelia glabra
                                             Phacelia glandulifera
                                                   [Phacelia ivesiana var. glandulifera]
                                             Phacelia glandulosa
                                               Phacelia glandulosa var. deserta
                                               Phacelia glandulosa var. glandulosa
                                             Phacelia glechomifolia
                                             Phacelia grandiflora
                                             Phacelia greenei
                                             Phacelia grisea
                                             Phacelia gymnoclada
                                                   [Phacelia crassifolia]
                                             Phacelia hastata
                                               Phacelia hastata var. charlestonensis
                                               Phacelia hastata var. compacta
                                                     [Phacelia frigida ssp. frigida]
                                                     [Phacelia hastata ssp. compacta]
                                               Phacelia hastata var. dasyphylla
                                                     [Phacelia frigida ssp. dasyphylla]
                                                     [Phacelia heterophylla var. dasyphylla]
                                               Phacelia hastata var. hastata
                                                     [Phacelia hastata ssp. hastata]
                                                     [Phacelia hastata var. alpina]
                                                     [Phacelia hastata var. leucophylla]
                                                     [Phacelia leucophylla var. alpina]
                                                     [Phacelia leucophylla var. suksdorfii]
                                                     [Phacelia oreopola ssp. simulans]
                                             Phacelia heterophylla
                                                   [Phacelia heterophyllum]
                                               Phacelia heterophylla ssp. heterophylla
                                                     [Phacelia heterophylla var. typica]
                                                     [Phacelia heterophyllum var. heterophyllum]
                                                     [Phacelia sericea var. biennis]
                                               Phacelia heterophylla ssp. virgata
                                                     [Phacelia heterophylla var. virgata]
                                                     [Phacelia heterophyllum var. virgata]
                                             Phacelia higginsii
                                             Phacelia hirsuta
                                             Phacelia howelliana
                                             Phacelia hughesii
                                             Phacelia humilis
                                               Phacelia humilis var. dudleyi
                                               Phacelia humilis var. humilis
                                             Phacelia hydrophylloides
                                             Phacelia idahoensis
                                             Phacelia imbricata
                                               Phacelia imbricata ssp. imbricata
                                                     [Phacelia californica var. bernardina]
                                                     [Phacelia imbricata ssp. bernardina]
                                               Phacelia imbricata ssp. patula
                                                     [Phacelia californica var. patula]
                                                     [Phacelia imbricata var. patula]
                                                     [Phacelia oreopola ssp. oreopola]
                                             Phacelia incana
                                                   [Phacelia nevadensis]
                                             Phacelia inconspicua
                                             Phacelia indecora
                                             Phacelia infundibuliformis
                                             Phacelia insularis
                                               Phacelia insularis var. continentis
                                                     [Phacelia divaricata var. continentis]
                                               Phacelia insularis var. insularis
                                                     [Phacelia divaricata var. insularis]
                                                     [Phacelia insularis ssp. insularis]
                                             Phacelia integrifolia
                                                   [Phacelia intergrifolia]
                                               Phacelia integrifolia var. integrifolia
                                                     [Phacelia integrifolia var. typica]
                                               Phacelia integrifolia var. texana
                                             Phacelia inundata
                                                   [Miltitzia parviflora]
                                             Phacelia inyoensis
                                                   [Miltitzia inyoensis]
                                             Phacelia ivesiana
                                                   [Phacelia invesiana]
                                               Phacelia ivesiana var. ivesiana
                                                     [Phacelia ivesiana var. typica]
                                               Phacelia ivesiana var. pediculoides
                                             Phacelia ixodes
                                             Phacelia keckii
                                             Phacelia laxa
                                             Phacelia laxiflora
                                                   [Phacelia perityloides var. laxiflora]
                                             Phacelia leibergii
                                                   [Phacelia bicolor var. leibergii]
                                             Phacelia lemmonii
                                             Phacelia lenta
                                             Phacelia leonis
                                             Phacelia leptosepala
                                                   [Phacelia hastata var. leptosepala]
                                             Phacelia leucophylla
                                             Phacelia linearis
                                             Phacelia longipes
                                                   [Phacelia hardhamiae]
                                             Phacelia lutea
                                               Phacelia lutea var. calva
                                               Phacelia lutea var. lutea
                                                     [Phacelia lutea var. purpurascens]
                                               Phacelia lutea var. mackenzieorum
                                             Phacelia lyallii
                                             Phacelia lyonii
                                             Phacelia maculata
                                                   [Phacelia dubia var. fallax]
                                             Phacelia malvifolia
                                                   [Phacelia malvifolia var. loasifolia]
                                             Phacelia mammillarensis
                                                   [Phacelia mammalariensis]
                                             Phacelia marcescens
                                             Phacelia minor
                                                   [Phacelia whitlavia]
                                             Phacelia minutiflora
                                             Phacelia minutissima
                                             Phacelia mohavensis
                                                   [Phacelia nohavensis]
                                             Phacelia mollis
                                             Phacelia monoensis
                                             Phacelia mustelina
                                             Phacelia mutabilis
                                                   [Phacelia californica var. jacintensis]
                                                   [Phacelia heterophylla var. griseophylla]
                                                   [Phacelia heterophylla var. pseudohispida]
                                             Phacelia nashiana
                                             Phacelia neglecta
                                             Phacelia nemoralis
                                               Phacelia nemoralis ssp. nemoralis
                                               Phacelia nemoralis ssp. oregonensis
                                             Phacelia neomexicana
                                                   [Phacelia neomexicana var. pseudoarizonica]
                                             Phacelia novenmillensis
                                             Phacelia oreopola
                                             Phacelia orogenes
                                             Phacelia pachyphylla
                                             Phacelia pallida
                                             Phacelia palmeri
                                                   [Phacelia palmeri var. foetida]
                                             Phacelia parishii
                                             Phacelia parryi
                                                   [Phacelia parryi var. celata]
                                             Phacelia patuliflora
                                               Phacelia patuliflora var. austrotexana
                                               Phacelia patuliflora var. patuliflora
                                               Phacelia patuliflora var. teucriifolia
                                             Phacelia peckii
                                             Phacelia pedicellata
                                             Phacelia pediculoides
                                             Phacelia peirsoniana
                                             Phacelia perityloides
                                                   [Phacelia perityloides var. perityloides]
                                             Phacelia phacelioides
                                             Phacelia pinkavae
                                             Phacelia platyloba
                                             Phacelia popei
                                                   [Phacelia depauperata]
                                                   [Phacelia popei var. similis]
                                             Phacelia pringlei
                                             Phacelia procera
                                             Phacelia pulchella
                                               Phacelia pulchella var. atwoodii
                                               Phacelia pulchella var. gooddingii
                                               Phacelia pulchella var. pulchella
                                                     [Phacelia pulchella var. typica]
                                               Phacelia pulchella var. sabulonum
                                             Phacelia purpusii
                                             Phacelia purshii
                                                   [Phacelia bicknellii]
                                                   [Phacelia boykinii]
                                                   [Phacelia purschii]
                                             Phacelia quickii
                                             Phacelia racemosa
                                             Phacelia rafaelensis
                                             Phacelia ramosissima
                                               Phacelia ramosissima var. austrolitoralis
                                               Phacelia ramosissima var. eremophila
                                                     [Phacelia eremophila var. valida]
                                                     [Phacelia ramosissima var. valida]
                                               Phacelia ramosissima var. latifolia
                                                     [Phacelia ramosissima var. suffrutescens]
                                               Phacelia ramosissima var. montereyensis
                                               Phacelia ramosissima var. ramosissima
                                               Phacelia ramosissima var. subglabra
                                             Phacelia ranunculacea
                                             Phacelia rattanii
                                             Phacelia robusta
                                             Phacelia rotundifolia
                                             Phacelia rupestris
                                                   [Phacelia congesta var. rupestris]
                                             Phacelia salina
                                                   [Phacelia salima]
                                             Phacelia saxicola
                                             Phacelia scopulina
                                               Phacelia scopulina var. scopulina
                                                     [Phacelia lutea var. scopulina]
                                               Phacelia scopulina var. submutica
                                                     [Phacelia lutea var. submutica]
                                             Phacelia sericea
                                               Phacelia sericea ssp. ciliosa
                                                     [Phacelia sericea var. ciliosa]
                                               Phacelia sericea ssp. sericea
                                                     [Phacelia sericea var. caespitosa]
                                             Phacelia serrata
                                             Phacelia sonoitensis
                                             Phacelia splendens
                                             Phacelia stebbinsii
                                                   [Phacelia stebbingsii]
                                             Phacelia stellaris
                                                   [Phacelia douglasii ssp. cryptantha]
                                                   [Phacelia douglasii var. cryptantha]
                                             Phacelia strictiflora
                                               Phacelia strictiflora var. connexa
                                               Phacelia strictiflora var. lundelliana
                                               Phacelia strictiflora var. robbinsii
                                               Phacelia strictiflora var. strictiflora
                                             Phacelia suaveolens
                                               Phacelia suaveolens ssp. keckii
                                                     [Phacelia suaveolens var. keckii]
                                               Phacelia suaveolens ssp. suaveolens
                                                     [Phacelia suaveolens var. suaveolens]
                                             Phacelia submutica
                                             Phacelia tanacetifolia
                                                   [Phacelia tanacetifolia subvar. tenuisecta]
                                             Phacelia tetramera
                                                   [Miltitzia pusilla]
                                             Phacelia texana
                                             Phacelia thermalis
                                             Phacelia umbrosa
                                             Phacelia utahensis
                                             Phacelia vallicola
                                             Phacelia vallis-mortae
                                               Phacelia vallis-mortae var. heliophila
                                                     [Phacelia cicutaria var. heliophila]
                                               Phacelia vallis-mortae var. vallis-mortae
                                             Phacelia verna
                                             Phacelia viscida
                                             Phacelia vossii
                                             Phacelia welshii
                                     Pholistoma
                                             Pholistoma auritum
                                               Pholistoma auritum var. arizonicum
                                               Pholistoma auritum var. auritum
                                             Pholistoma membranaceum
                                             Pholistoma racemosum
                                                   [Pholistoma racemosa]
                                     Romanzoffia
                                             Romanzoffia californica
                                                   [Romanzoffia suksdorfii]
                                             Romanzoffia sitchensis
                                             Romanzoffia thompsonii
                                             Romanzoffia tracyi
                                             Romanzoffia unalaschcensis
                                               Romanzoffia unalaschcensis var. glabriuscula
                                               Romanzoffia unalaschcensis var. unalaschcensis
                                     Tricardia
                                             Tricardia watsonii