Taxon Search
  Plantae
      Magnoliophyta
             [Angiospermae]
         Eudicots
             Core Eudicots
               Asterids
               Lamiids
                    Lamiales
                            Plantaginaceae
                                    Amphianthus
                                            Amphianthus pusillus
                                    Anarrhinum
                                            Anarrhinum bellidifolium
                                            Anarrhinum orientale
                                    Angelonia
                                            Angelonia angustifolia
                                            Angelonia campestris
                                            Angelonia gardneri
                                            Angelonia integerrima
                                            Angelonia pilosella
                                                   [Angelonia cubensis]
                                            Angelonia salicariifolia
                                    Antirrhinum
                                            Antirrhinum bellidifolium
                                            Antirrhinum breweri
                                            Antirrhinum calycinum
                                            Antirrhinum cornutum
                                              Antirrhinum cornutum var. leptaleum
                                            Antirrhinum costatum
                                            Antirrhinum elatine
                                            Antirrhinum emarginatum
                                            Antirrhinum glandulosum
                                            Antirrhinum hookerianum
                                            Antirrhinum kelloggii
                                            Antirrhinum leptaleum
                                            Antirrhinum majus
                                              Antirrhinum majus ssp. linkianum
                                            Antirrhinum multiflorum
                                            Antirrhinum orontium
                                              Antirrhinum orontium var. grandiflorum
                                            Antirrhinum ovatum
                                            Antirrhinum pusillum
                                            Antirrhinum spurium
                                            Antirrhinum subcordatum
                                            Antirrhinum vagans
                                            Antirrhinum vexillo-calyculatum
                                              Antirrhinum vexillo-calyculatum ssp. breweri
                                              Antirrhinum vexillo-calyculatum ssp. intermedium
                                              Antirrhinum vexillo-calyculatum ssp. vexillo-calyculatum
                                            Antirrhinum vexillocalyculatum
                                              Antirrhinum vexillocalyculatum ssp. breweri
                                              Antirrhinum vexillocalyculatum ssp. intermedium
                                            Antirrhinum virga
                                            Antirrhinum watsonii
                                    Asarina
                                            Asarina erubescens
                                            Asarina petrophila
                                            Asarina stricta
                                    Bacopa
                                            Bacopa acuminata
                                              Bacopa acuminata var. microphylla
                                            Bacopa axillaris
                                            Bacopa caroliniana
                                            Bacopa cyclophylla
                                            Bacopa domingensis
                                            Bacopa egensis
                                            Bacopa eisenii
                                            Bacopa humifusa
                                            Bacopa innominata
                                            Bacopa micromonnieria
                                            Bacopa monnieri
                                                   [Bramia monnieri]
                                                   [Lysimachia monnieri]
                                            Bacopa monnierioides
                                                   [Bacopa beccabunga]
                                            Bacopa repens
                                                   [Gratiola repens]
                                                   [Macuillamia obovata]
                                                   [Macuillamia repens]
                                            Bacopa rotundifolia
                                                   [Bacopa nobsiana]
                                                   [Bacopa simulans]
                                                   [Bramia rotundifolia]
                                                   [Hydranthelium rotundifolium]
                                                   [Macuillamia rotundifolia]
                                            Bacopa salzmannii
                                            Bacopa sessiliflora
                                            Bacopa stemodioides
                                                   [Caconapea stemodioides]
                                            Bacopa stragula
                                            Bacopa stricta
                                    Basistemon
                                    Benjaminia
                                    Besseya
                                            Besseya alpina
                                                   [Synthyris alpina]
                                            Besseya arizonica
                                            Besseya bullii
                                            Besseya cinerea
                                            Besseya plantaginea
                                            Besseya ritteriana
                                                   [Synthyris ritteriana var. obtusa]
                                                   [Synthyris ritteriana]
                                            Besseya rubra
                                            Besseya wyomingensis
                                    Bougueria
                                    Bramia
                                    Caconapea
                                            Caconapea stricta
                                    Callitriche
                                            Callitriche bifida
                                            Callitriche bolanderi
                                            Callitriche deflexa
                                            Callitriche fassettii
                                            Callitriche hamulata
                                            Callitriche hermaphroditica
                                                   [Callitriche autumnalis]
                                            Callitriche heterophylla
                                              Callitriche heterophylla ssp. bolanderi
                                              Callitriche heterophylla ssp. heterophylla
                                                     [Callitriche anceps]
                                                     [Callitriche heterophylla var. heterophylla]
                                              Callitriche heterophylla var. bolanderi
                                            Callitriche intermedia
                                              Callitriche intermedia ssp. hamulata
                                              Callitriche intermedia ssp. intermedia
                                            Callitriche longipedunculata
                                            Callitriche marginata
                                              Callitriche marginata var. longipedunculata
                                            Callitriche nuttallii
                                            Callitriche palustris
                                                   [Callitriche palustris var. verna]
                                                   [Callitriche verna]
                                            Callitriche pedunculosa
                                            Callitriche peploides
                                              Callitriche peploides var. semialata
                                            Callitriche platycarpa
                                            Callitriche sepulta
                                            Callitriche stagnalis
                                            Callitriche terrestris
                                                   [Callitriche austinii]
                                                   [Callitriche deflexa var. austinii]
                                                   [Callitriche deflexa var. subsessilis]
                                            Callitriche trochlearis
                                    Chaenorhinum
                                            Chaenorhinum calycinum
                                            Chaenorhinum minus
                                    Chelone
                                            Chelone chlorantha
                                            Chelone cuthbertii
                                            Chelone glabra
                                              Chelone glabra var. chlorantha
                                              Chelone glabra var. dilatata
                                              Chelone glabra var. elatior
                                              Chelone glabra var. elongata
                                              Chelone glabra var. linifolia
                                              Chelone glabra var. ochroleuca
                                              Chelone glabra var. typica
                                            Chelone grimesii
                                            Chelone lyonii
                                            Chelone montana
                                            Chelone obliqua
                                              Chelone obliqua var. erwiniae
                                              Chelone obliqua var. obliqua
                                              Chelone obliqua var. speciosa
                                    Chionophila
                                            Chionophila jamesii
                                            Chionophila tweedyi
                                    Collinsia
                                            Collinsia antonina
                                              Collinsia antonina ssp. purpurea
                                            Collinsia arvensis
                                            Collinsia austromontana
                                            Collinsia bartsiaefolia
                                            Collinsia bartsiifolia
                                              Collinsia bartsiifolia var. bartsiifolia
                                              Collinsia bartsiifolia var. davidsonii
                                              Collinsia bartsiifolia var. hirsuta
                                              Collinsia bartsiifolia var. stricta
                                            Collinsia bicolor
                                              Collinsia bicolor var. austromontana
                                            Collinsia breviflora
                                            Collinsia bruceae
                                            Collinsia callosa
                                            Collinsia childii
                                            Collinsia concolor
                                            Collinsia corymbosa
                                            Collinsia davidsonii
                                            Collinsia franciscana
                                            Collinsia grandiflora
                                            Collinsia greenei
                                            Collinsia heterophylla
                                              Collinsia heterophylla var. austromontana
                                              Collinsia heterophylla var. heterophylla
                                            Collinsia linearis
                                            Collinsia monticola
                                            Collinsia multicolor
                                            Collinsia parryi
                                            Collinsia parviflora
                                                   [Antirrhinum tenellum]
                                                   [Collinsia grandiflora var. pusilla]
                                                   [Collinsia tenella]
                                              Collinsia parviflora var. grandiflora
                                              Collinsia parviflora var. collina
                                            Collinsia parvula
                                            Collinsia rattani
                                            Collinsia rattanii
                                              Collinsia rattanii ssp. glandulosa
                                              Collinsia rattanii ssp. rattanii
                                              Collinsia rattanii var. linearis
                                            Collinsia solitaria
                                            Collinsia sparsiflora
                                              Collinsia sparsiflora var. arvensis
                                              Collinsia sparsiflora var. bruceae
                                              Collinsia sparsiflora var. collina
                                              Collinsia sparsiflora var. sparsiflora
                                              Collinsia sparsiflora var. solitaria
                                            Collinsia stricta
                                            Collinsia tinctoria
                                            Collinsia torreyi
                                              Collinsia torreyi var. brevicarinata
                                              Collinsia torreyi var. latifolia
                                              Collinsia torreyi var. torreyi
                                              Collinsia torreyi var. wrightii
                                            Collinsia verna
                                            Collinsia violacea
                                            Collinsia wrightii
                                    Conobea
                                            Conobea multifida
                                            Conobea polystachya
                                    Cymbalaria
                                            Cymbalaria muralis
                                    Digitalis
                                            Digitalis ambigua
                                            Digitalis ferruginea
                                            Digitalis grandiflora
                                            Digitalis lanata
                                            Digitalis lutea
                                            Digitalis mariana
                                              Digitalis mariana ssp. heywoodii
                                            Digitalis orientalis
                                            Digitalis purpurea
                                              Digitalis purpurea ssp. amandiana
                                              Digitalis purpurea ssp. heywoodii
                                              Digitalis purpurea ssp. purpurea
                                              Digitalis purpurea var. alba
                                              Digitalis purpurea var. amandiana
                                              Digitalis purpurea var. gloxiniiflora
                                              Digitalis purpurea var. tomentosa
                                    Dopatrium
                                            Dopatrium junceum
                                    Epixiphium
                                    Erinus
                                            Erinus alpinus
                                            Erinus verticillatus
                                    Galvesia
                                    Galvezia
                                            Galvezia fruticosa
                                            Galvezia glabrata
                                            Galvezia rupicola
                                            Galvezia speciosa
                                    Gambelia
                                           [Kuhlia]
                                            Gambelia juncea
                                                   [Galvezia juncea ]
                                                   [Galvezia juncea var. foliosa]
                                                   [Galvezia juncea var. pubescens]
                                            Gambelia speciosa
                                    Globifera
                                            Globifera umbrosa
                                    Gratiola
                                            Gratiola aurea
                                              Gratiola aurea var. obtusa
                                            Gratiola brevifolia
                                            Gratiola drummondii
                                            Gratiola ebracteata
                                            Gratiola flava
                                            Gratiola floridana
                                            Gratiola heterosepala
                                            Gratiola hispida
                                            Gratiola lutea
                                            Gratiola mexicana
                                            Gratiola neglecta
                                                   [Gratiola neglecta var. glaberrima]
                                            Gratiola officinalis
                                            Gratiola oresbia
                                            Gratiola pilosa
                                              Gratiola pilosa var. epilis
                                            Gratiola ramosa
                                            Gratiola sphaerocarpa
                                            Gratiola subulata
                                            Gratiola virginiana
                                              Gratiola virginiana var. aestuariorum
                                              Gratiola virginiana var. virginiana
                                            Gratiola viscidula
                                              Gratiola viscidula ssp. shortii
                                              Gratiola viscidula var. shortii
                                            Gratiola viscosa
                                    Hebe
                                            Hebe andersonii
                                            Hebe salicifolia
                                            Hebe speciosa
                                            Hebe venustula
                                            Hebe x franciscana
                                    Herpestis
                                            Herpestis auriculata
                                            Herpestis rotundifolia
                                            Herpestis salzmannii
                                    Hippuris
                                            Hippuris montana
                                            Hippuris tetraphylla
                                            Hippuris vulgaris
                                    Holmgrenanthe
                                            Holmgrenanthe petrophila
                                                   [Maurandella petrophila]
                                    Howelliella
                                            Howelliella ovata
                                    Hydranthelium
                                    Isoplexis
                                            Isoplexis canariensis
                                    Keckiella
                                            Keckiella antirrhinoides
                                                   [Penstemon antirrhinoides]
                                              Keckiella antirrhinoides ssp. antirrhinoides
                                                     [Keckiella antirrhinoides var. antirrhinoides]
                                              Keckiella antirrhinoides ssp. microphylla
                                                     [Keckiella antirrhinoides var. microphylla]
                                                     [Penstemon antirrhinoides ssp. microphyllus]
                                                     [Penstemon microphyllus]
                                            Keckiella breviflora
                                              Keckiella breviflora ssp. breviflora
                                              Keckiella breviflora ssp. glabrisepala
                                              Keckiella breviflora var. breviflora
                                              Keckiella breviflora var. glabrisepala
                                            Keckiella cordifolia
                                                   [Penstemon cordifolius]
                                            Keckiella corymbosa
                                            Keckiella lemmonii
                                            Keckiella rothrockii
                                              Keckiella rothrockii ssp. jacintensis
                                              Keckiella rothrockii ssp. rothrockii
                                              Keckiella rothrockii var. jacintensis
                                              Keckiella rothrockii var. rothrockii
                                            Keckiella ternata
                                              Keckiella ternata ssp. septentrionalis
                                              Keckiella ternata ssp. ternata
                                              Keckiella ternata var. septentrionalis
                                              Keckiella ternata var. ternata
                                    Kickxia
                                            Kickxia acerbiana
                                            Kickxia elatine
                                            Kickxia spartioides
                                            Kickxia spuria
                                    Lagotis
                                            Lagotis glauca
                                              Lagotis glauca ssp. minor
                                              Lagotis glauca var. stelleri
                                            Lagotis minor
                                            Lagotis stelleri
                                    Leiostemon
                                            Leiostemon ambiguus
                                    Lendneria
                                            Lendneria verticillata
                                    Leptandra
                                            Leptandra virginica
                                    Leucospora
                                            Leucospora multifida
                                    Limnophila
                                            Limnophila aromatica
                                            Limnophila fragrans
                                            Limnophila indica
                                            Limnophila sessiliflora
                                            Limnophila x ludoviciana
                                    Linaria
                                            Linaria aeruginea
                                            Linaria angustissima
                                            Linaria bipartita
                                            Linaria cymbalaria
                                            Linaria dalmatica
                                              Linaria dalmatica ssp. dalmatica
                                                     [Linaria genistifolia ssp. dalmatica]
                                                     [Linaria jattae]
                                              Linaria dalmatica ssp. macedonica
                                                     [Linaria dalmatica var. macedonica]
                                                     [Linaria macedonica]
                                            Linaria elatine
                                            Linaria floridana
                                            Linaria genistifolia
                                            Linaria incarnata
                                            Linaria italica
                                            Linaria joppensis
                                            Linaria kurdica
                                            Linaria maroccana
                                            Linaria minor
                                            Linaria pinifolia
                                            Linaria purpurea
                                            Linaria repens
                                            Linaria reticulata
                                            Linaria spartea
                                            Linaria supina
                                            Linaria vulgaris
                                                   [Linaria linaria]
                                            Linaria x sepium
                                    Littorella
                                            Littorella americana
                                            Littorella uniflora
                                              Littorella uniflora var. americana
                                    Lophospermum
                                            Lophospermum breedlovei
                                            Lophospermum erubescens
                                            Lophospermum purpusii
                                    Mabrya
                                            Mabrya acerifolia
                                                   [Asarina acerifolia]
                                                   [Maurandya acerifolia]
                                            Mabrya erecta
                                            Mabrya geniculata
                                              Mabrya geniculata ssp. geniculata
                                              Mabrya geniculata ssp. lanata
                                    Macuillamia
                                    Maurandella
                                    Maurandya
                                            Maurandya antirrhiniflora
                                                   [Antirrhinum maurandioides]
                                                   [Asarina antirrhiniflora]
                                                   [Maurandella antirrhiniflora]
                                              Maurandya antirrhiniflora ssp. antirrhiniflora
                                            Maurandya barclaiana
                                                   [Asarina barclaiana]
                                            Maurandya coccinea
                                            Maurandya erecta
                                            Maurandya erubescens
                                            Maurandya flaviflora
                                                   [Asarina flaviflora]
                                            Maurandya petrophila
                                            Maurandya purpusii
                                            Maurandya scandens
                                            Maurandya wislizeni
                                                   [Antirrhinum wislizeni]
                                                   [Asarina wislizeni]
                                                   [Epixiphium wislizeni]
                                            Maurandya wislizenii
                                    Mecardonia
                                            Mecardonia acuminata
                                              Mecardonia acuminata var. acuminata
                                              Mecardonia acuminata var. microphylla
                                              Mecardonia acuminata var. peninsularis
                                            Mecardonia exilis
                                            Mecardonia procumbens
                                                   [Bacopa procumbens]
                                                   [Erinus procumbens]
                                                   [Herpestis vandellioides]
                                                   [Mecardonia dianthera]
                                                   [Mecardonia peduncularis]
                                                   [Mecardonia tenuis]
                                                   [Mecardonia vandellioides]
                                    Melosperma
                                    Misopates
                                            Misopates orontium
                                    Mohavea
                                            Mohavea breviflora
                                            Mohavea confertiflora
                                            Mohavea viscida
                                    Moniera
                                            Moniera trifolia
                                    Monniera
                                            Monniera acuminata
                                            Monniera rotundifolia
                                    Monttea
                                            Monttea aphylla
                                    Neogaerrhinum
                                            Neogaerrhinum filipes
                                                   [Antirrhinum cooperi]
                                                   [Antirrhinum filipes]
                                                   [Asarina filipes]
                                            Neogaerrhinum kelloggii
                                            Neogaerrhinum strictum
                                    Nothochelone
                                            Nothochelone nemorosa
                                    Nuttallanthus
                                            Nuttallanthus canadensis
                                                   [Linaria canadensis]
                                            Nuttallanthus floridanus
                                            Nuttallanthus texanus
                                                   [Linaria canadensis var. texana]
                                                   [Linaria texana]
                                    Ourisia
                                            Ourisia californica
                                    Pagesia
                                            Pagesia acuminata
                                            Pagesia peduncularis
                                    Penstemon
                                           [Penstemon x hybridus]
                                            Penstemon X crideri
                                            Penstemon X mirus
                                            Penstemon abietinus
                                            Penstemon aboriginum
                                            Penstemon absarokensis
                                            Penstemon acaulis
                                              Penstemon acaulis var. yampaensis
                                            Penstemon acuminatus
                                              Penstemon acuminatus var. acuminatus
                                              Penstemon acuminatus var. latebracteatus
                                            Penstemon alamosensis
                                            Penstemon albertinus
                                            Penstemon albidus
                                            Penstemon albifluvis
                                            Penstemon albomarginatus
                                            Penstemon alluviorum
                                            Penstemon alpinus
                                              Penstemon alpinus ssp. brandegeei
                                              Penstemon alpinus ssp. magnus
                                            Penstemon ambiguus
                                              Penstemon ambiguus var. ambiguus
                                              Penstemon ambiguus var. laevissimus
                                                     [Penstemon ambiguus ssp. laevissimus]
                                            Penstemon ammophilus
                                            Penstemon amphorellae
                                            Penstemon anguineus
                                            Penstemon angustifolius
                                              Penstemon angustifolius var. angustifolius
                                              Penstemon angustifolius var. caudatus
                                                     [Penstemon angustifolius ssp. caudatus]
                                                     [Penstemon caudatus]
                                              Penstemon angustifolius var. dulcis
                                              Penstemon angustifolius var. venosus
                                                     [Penstemon angustifolius ssp. venosus]
                                                     [Penstemon venosus]
                                              Penstemon angustifolius var. vernalensis
                                            Penstemon apateticus
                                              Penstemon apateticus ssp. durangensis
                                              Penstemon apateticus ssp. townsendianus
                                            Penstemon arenarius
                                            Penstemon arenicola
                                            Penstemon aridus
                                            Penstemon arizonicus
                                            Penstemon arkansanus
                                              Penstemon arkansanus var. pubescens
                                            Penstemon assurgens
                                            Penstemon attenuatus
                                              Penstemon attenuatus ssp. attenuatus
                                              Penstemon attenuatus ssp. hyacinthinus
                                              Penstemon attenuatus ssp. militaris
                                              Penstemon attenuatus ssp. palustris
                                              Penstemon attenuatus ssp. pseudoprocerus
                                              Penstemon attenuatus var. attenuatus
                                              Penstemon attenuatus var. hyacinthinus
                                              Penstemon attenuatus var. militaris
                                              Penstemon attenuatus var. palustris
                                              Penstemon attenuatus var. pseudoprocerus
                                                     [Penstemon pseudoprocerus]
                                            Penstemon atwoodii
                                            Penstemon auriberbis
                                            Penstemon australis
                                              Penstemon australis ssp. laxiflorus
                                              Penstemon australis var. ameles
                                            Penstemon azureus
                                              Penstemon azureus ssp. angustissimus
                                              Penstemon azureus ssp. azureus
                                              Penstemon azureus var. ambiguus
                                              Penstemon azureus var. angustissimus
                                              Penstemon azureus var. azureus
                                              Penstemon azureus var. parvulus
                                            Penstemon baccharifolius
                                            Penstemon barbatus
                                                   [Penstemon barbatus var. coccineus]
                                              Penstemon barbatus ssp. barbatus
                                                     [Penstemon barbatus var. puberulus]
                                              Penstemon barbatus ssp. torreyi
                                                     [Penstemon barbatus var. torreyi]
                                                     [Penstemon torreyi]
                                              Penstemon barbatus ssp. trichander
                                                     [Penstemon barbatus var. trichander]
                                              Penstemon barbatus var. barbatus
                                            Penstemon barnebyi
                                            Penstemon barrettiae
                                            Penstemon bicolor
                                              Penstemon bicolor ssp. bicolor
                                              Penstemon bicolor ssp. roseus
                                              Penstemon bicolor ssp. typicus
                                            Penstemon bracteatus
                                            Penstemon brandegeei
                                            Penstemon brandegei
                                            Penstemon breviculus
                                                   [Penstemon jamesii ssp. breviculus]
                                            Penstemon breviflorus
                                              Penstemon breviflorus ssp. glabrisepalus
                                            Penstemon brevisepalus
                                            Penstemon brittoniorum
                                            Penstemon bryantae
                                            Penstemon bryantiae
                                            Penstemon buckleyi
                                            Penstemon caesius
                                            Penstemon caespitosus
                                              Penstemon caespitosus ssp. perbrevis
                                              Penstemon caespitosus var. caespitosus
                                              Penstemon caespitosus var. desertipicti
                                                     [Penstemon caespitosus ssp. desertipicti]
                                              Penstemon caespitosus var. perbrevis
                                              Penstemon caespitosus var. suffruticosus
                                            Penstemon calcareus
                                            Penstemon californicus
                                            Penstemon calycosus
                                            Penstemon campanulatus
                                                   [Penstemon campanulatus f. pulchellus]
                                                   [Penstemon pulchellus]
                                              Penstemon campanulatus ssp. chihuahuensis
                                              Penstemon campanulatus ssp. subglandulosus
                                            Penstemon canescens
                                              Penstemon canescens var. brittoniorum
                                              Penstemon canescens var. typicus
                                            Penstemon cardinalis
                                              Penstemon cardinalis ssp. cardinalis
                                              Penstemon cardinalis ssp. regalis
                                            Penstemon cardwellii
                                            Penstemon carnosus
                                            Penstemon caryi
                                            Penstemon cedrosensis
                                            Penstemon centranthifolius
                                            Penstemon cephalanthus
                                            Penstemon cephalophorus
                                            Penstemon chionophilus
                                            Penstemon cinereus
                                              Penstemon cinereus ssp. foliatus
                                              Penstemon cinereus var. foliatus
                                            Penstemon cinicola
                                            Penstemon cleburnei
                                            Penstemon clevelandii
                                              Penstemon clevelandii ssp. angelicus
                                              Penstemon clevelandii ssp. clevelandii
                                              Penstemon clevelandii ssp. connatus
                                              Penstemon clevelandii ssp. mohavensis
                                              Penstemon clevelandii ssp. typicus
                                              Penstemon clevelandii var. clevelandii
                                              Penstemon clevelandii var. connatus
                                              Penstemon clevelandii var. mohavensis
                                            Penstemon clutei
                                            Penstemon cobaea
                                                   [Penstemon cobaea ssp. purpureus]
                                                   [Penstemon cobaea ssp. typicus]
                                                   [Penstemon cobaea var. purpureus]
                                            Penstemon coccinatus
                                            Penstemon coccineus
                                              Penstemon coccineus var. filifolius
                                            Penstemon comarrhenus
                                            Penstemon compactus
                                            Penstemon concinnus
                                            Penstemon confertus
                                              Penstemon confertus ssp. procerus
                                              Penstemon confertus var. caeruleo-purpureus
                                              Penstemon confertus var. procerus
                                            Penstemon confusus
                                              Penstemon confusus ssp. patens
                                              Penstemon confusus var. patens
                                            Penstemon connatifolius
                                            Penstemon corymbosus
                                              Penstemon corymbosus var. puberulentus
                                            Penstemon crandallii
                                              Penstemon crandallii ssp. atratus
                                              Penstemon crandallii ssp. crandallii
                                              Penstemon crandallii ssp. glabrescens
                                              Penstemon crandallii ssp. procumbens
                                              Penstemon crandallii ssp. taosensis
                                              Penstemon crandallii var. atratus
                                              Penstemon crandallii var. taosensis
                                            Penstemon crassifolius
                                            Penstemon cristatus
                                            Penstemon cusickii
                                            Penstemon cyananthus
                                                   [Penstemon cyananthus ssp. cyananthus]
                                              Penstemon cyananthus ssp. compactus
                                              Penstemon cyananthus ssp. longiflorus
                                              Penstemon cyananthus ssp. subglaber
                                              Penstemon cyananthus var. brandegei
                                              Penstemon cyananthus var. compactus
                                              Penstemon cyananthus var. cyananthus
                                              Penstemon cyananthus var. longiflorus
                                              Penstemon cyananthus var. subglaber
                                            Penstemon cyaneus
                                            Penstemon cyanocaulis
                                            Penstemon cyathophorus
                                            Penstemon dasyphyllus
                                            Penstemon davidsonii
                                              Penstemon davidsonii ssp. menziesii
                                              Penstemon davidsonii var. davidsonii
                                              Penstemon davidsonii var. ellipticus
                                              Penstemon davidsonii var. menziesii
                                              Penstemon davidsonii var. praeteritus
                                            Penstemon deamii
                                            Penstemon deaveri
                                                   [Penstemon virgatus ssp. arizonicus]
                                            Penstemon debilis
                                            Penstemon decurvus
                                            Penstemon degeneri
                                            Penstemon deserticola
                                            Penstemon desertipicti
                                            Penstemon desertorum
                                            Penstemon deustus
                                              Penstemon deustus ssp. deustus
                                              Penstemon deustus ssp. heterander
                                              Penstemon deustus ssp. sudans
                                              Penstemon deustus ssp. variabilis
                                              Penstemon deustus var. deustus
                                              Penstemon deustus var. heterander
                                              Penstemon deustus var. pedicellatus
                                              Penstemon deustus var. suffrutescens
                                              Penstemon deustus var. variabilis
                                            Penstemon diffusus
                                            Penstemon digitalis
                                            Penstemon dimorphus
                                            Penstemon diphyllus
                                            Penstemon discolor
                                            Penstemon dissectus
                                            Penstemon distans
                                            Penstemon dolius
                                              Penstemon dolius var. dolius
                                              Penstemon dolius var. duchesnensis
                                            Penstemon dubium
                                            Penstemon duchesnensis
                                            Penstemon eatonii
                                              Penstemon eatonii ssp. eatonii
                                                     [Penstemon eatonii var. eatonii]
                                              Penstemon eatonii ssp. exsertus
                                              Penstemon eatonii ssp. undosus
                                                     [Penstemon eatonii var. undosus]
                                            Penstemon elegantulus
                                            Penstemon ellipticus
                                            Penstemon eriantherus
                                              Penstemon eriantherus var. argillosus
                                              Penstemon eriantherus var. cleburnei
                                              Penstemon eriantherus var. eriantherus
                                              Penstemon eriantherus var. redactus
                                              Penstemon eriantherus var. whitedii
                                            Penstemon euglaucus
                                            Penstemon eximius
                                            Penstemon exsertus
                                            Penstemon fasciculatus
                                            Penstemon fendleri
                                            Penstemon filiformis
                                            Penstemon flavescens
                                            Penstemon floribundus
                                            Penstemon floridus
                                              Penstemon floridus ssp. austinii
                                              Penstemon floridus var. austinii
                                              Penstemon floridus var. floridus
                                            Penstemon flowersii
                                            Penstemon francisci-pennellii
                                            Penstemon franklinii
                                            Penstemon fremontii
                                              Penstemon fremontii var. fremontii
                                              Penstemon fremontii var. glabrescens
                                            Penstemon fruticiformis
                                              Penstemon fruticiformis ssp. amargosae
                                                     [Penstemon fruticiformis var. amargosae]
                                              Penstemon fruticiformis ssp. fruticiformis
                                              Penstemon fruticiformis var. fruticiformis
                                            Penstemon fruticosus
                                              Penstemon fruticosus ssp. scouleri
                                              Penstemon fruticosus ssp. serratus
                                              Penstemon fruticosus var. albus
                                              Penstemon fruticosus var. fruticosus
                                              Penstemon fruticosus var. scouleri
                                              Penstemon fruticosus var. serratus
                                            Penstemon gairdneri
                                              Penstemon gairdneri ssp. hians
                                              Penstemon gairdneri var. gairdneri
                                              Penstemon gairdneri var. hians
                                              Penstemon gairdneri var. oreganus
                                                     [Penstemon gairdneri ssp. oreganus]
                                                     [Penstemon puberulentus]
                                            Penstemon galloensis
                                            Penstemon garrettii
                                            Penstemon gentianoides
                                            Penstemon gentryi
                                            Penstemon gibbensii
                                            Penstemon glaber
                                              Penstemon glaber var. alpinus
                                              Penstemon glaber var. brandegeei
                                              Penstemon glaber var. brandegei
                                              Penstemon glaber var. cyananthus
                                              Penstemon glaber var. glaber
                                              Penstemon glaber var. speciosus
                                              Penstemon glaber var. utahensis
                                            Penstemon glabrescens
                                            Penstemon glandulosus
                                              Penstemon glandulosus ssp. chelanensis
                                              Penstemon glandulosus var. chelanensis
                                              Penstemon glandulosus var. glandulosus
                                            Penstemon glaucinus
                                            Penstemon glaucus
                                              Penstemon glaucus var. stenosepalus
                                            Penstemon globosus
                                            Penstemon goodrichii
                                            Penstemon gormanii
                                            Penstemon gracilentus
                                              Penstemon gracilentus var. ursorum
                                            Penstemon gracilis
                                              Penstemon gracilis ssp. wisconsinensis
                                              Penstemon gracilis var. gracilis
                                              Penstemon gracilis var. wisconsinensis
                                            Penstemon grahamii
                                            Penstemon grandiflorus
                                                   [Penstemon bradburii]
                                            Penstemon griffinii
                                            Penstemon grinnellii
                                              Penstemon grinnellii ssp. grinnellii
                                              Penstemon grinnellii ssp. scrophularioides
                                              Penstemon grinnellii var. grinnellii
                                              Penstemon grinnellii var. scrophularioides
                                            Penstemon guadalupensis
                                                   [Penstemon guadalupensis var. ernstii]
                                            Penstemon hallii
                                              Penstemon hallii var. arizonicus
                                            Penstemon hansonii
                                            Penstemon harbourii
                                            Penstemon harringtonii
                                            Penstemon hartwegii
                                            Penstemon havardii
                                            Penstemon haydenii
                                            Penstemon helleri
                                            Penstemon henricksonii
                                            Penstemon hesperius
                                            Penstemon heterodoxus
                                              Penstemon heterodoxus ssp. cephalophorus
                                              Penstemon heterodoxus var. cephalophorus
                                              Penstemon heterodoxus var. heterodoxus
                                              Penstemon heterodoxus var. shastensis
                                            Penstemon heterophyllus
                                              Penstemon heterophyllus ssp. australis
                                              Penstemon heterophyllus ssp. heterophyllus
                                              Penstemon heterophyllus ssp. purdyi
                                              Penstemon heterophyllus var. australis
                                              Penstemon heterophyllus var. heterophyllus
                                              Penstemon heterophyllus var. latifolius
                                              Penstemon heterophyllus var. purdyi
                                            Penstemon higginsii
                                            Penstemon hirsutus
                                              Penstemon hirsutus var. minimus
                                              Penstemon hirsutus var. pygmaeus
                                            Penstemon holmgrenii
                                            Penstemon humilis
                                              Penstemon humilis ssp. brevifolius
                                              Penstemon humilis ssp. humilis
                                              Penstemon humilis ssp. obtusifolius
                                              Penstemon humilis var. brevifolius
                                              Penstemon humilis var. deserticus
                                              Penstemon humilis var. foliatus
                                              Penstemon humilis var. humilis
                                              Penstemon humilis var. obtusifolius
                                            Penstemon idahoensis
                                            Penstemon immanifestus
                                            Penstemon incertus
                                            Penstemon inflatus
                                            Penstemon intonsus
                                            Penstemon isophyllus
                                            Penstemon jamesii
                                                   [Penstemon brevibarbatus]
                                                   [Penstemon jamesii ssp. typicus]
                                            Penstemon janishiae
                                            Penstemon jonesii
                                            Penstemon kingii
                                            Penstemon kunthii
                                            Penstemon labrosus
                                            Penstemon lacerellus
                                            Penstemon laetus
                                              Penstemon laetus ssp. filiformis
                                              Penstemon laetus ssp. laetus
                                              Penstemon laetus ssp. leptosepalus
                                              Penstemon laetus ssp. sagittatus
                                              Penstemon laetus ssp. typicus
                                              Penstemon laetus var. laetus
                                              Penstemon laetus var. leptosepalus
                                              Penstemon laetus var. sagittatus
                                            Penstemon laevigatus
                                                   [Penstemon penstemon]
                                              Penstemon laevigatus ssp. alluviorum
                                              Penstemon laevigatus ssp. calycosus
                                              Penstemon laevigatus ssp. digitalis
                                              Penstemon laevigatus var. angulatus
                                              Penstemon laevigatus var. deamii
                                              Penstemon laevigatus var. digitalis
                                            Penstemon laevis
                                            Penstemon laricifolius
                                              Penstemon laricifolius ssp. exilifolius
                                              Penstemon laricifolius ssp. laricifolius
                                              Penstemon laricifolius var. exilifolius
                                              Penstemon laricifolius var. laricifolius
                                            Penstemon latiusculus
                                            Penstemon laxiflorus
                                            Penstemon laxus
                                            Penstemon leiophyllus
                                              Penstemon leiophyllus var. francisci-pennellii
                                              Penstemon leiophyllus var. keckii
                                                     [Penstemon keckii]
                                              Penstemon leiophyllus var. leiophyllus
                                            Penstemon lemhiensis
                                            Penstemon lemmonii
                                            Penstemon lentus
                                              Penstemon lentus ssp. albiflorus
                                              Penstemon lentus var. albiflorus
                                              Penstemon lentus var. lentus
                                            Penstemon leonardii
                                              Penstemon leonardii var. higginsii
                                              Penstemon leonardii var. leonardii
                                              Penstemon leonardii var. patricus
                                                     [Penstemon patricus]
                                            Penstemon leonensis
                                            Penstemon leptanthus
                                            Penstemon leucanthus
                                            Penstemon linarioides
                                              Penstemon linarioides ssp. coloradoensis
                                                     [Penstemon coloradoensis]
                                              Penstemon linarioides ssp. compactifolius
                                                     [Penstemon linarioides var. compactifolius]
                                              Penstemon linarioides ssp. linarioides
                                                     [Penstemon linarioides ssp. typicus]
                                              Penstemon linarioides ssp. maguirei
                                              Penstemon linarioides ssp. sileri
                                                     [Penstemon linarioides var. sileri]
                                                     [Penstemon linarioides var. viridis]
                                              Penstemon linarioides ssp. taosensis
                                            Penstemon longiflorus
                                            Penstemon lyallii
                                            Penstemon macranthus
                                            Penstemon magnus
                                            Penstemon maguirei
                                            Penstemon marcusii
                                            Penstemon mensarum
                                            Penstemon menziesii
                                              Penstemon menziesii ssp. davidsonii
                                              Penstemon menziesii ssp. thompsonii
                                              Penstemon menziesii var. davidsonii
                                            Penstemon metcalfei
                                            Penstemon militaris
                                            Penstemon miniatus
                                              Penstemon miniatus ssp. apateticus
                                              Penstemon miniatus ssp. townsendianus
                                            Penstemon minidokanus
                                            Penstemon mirus
                                            Penstemon miser
                                            Penstemon modestus
                                            Penstemon moffatii
                                              Penstemon moffatii ssp. marcusii
                                              Penstemon moffatii ssp. moffatii
                                              Penstemon moffatii ssp. paysonii
                                            Penstemon monoensis
                                            Penstemon montanus
                                              Penstemon montanus ssp. idahoensis
                                              Penstemon montanus ssp. montanus
                                              Penstemon montanus var. idahoensis
                                              Penstemon montanus var. montanus
                                            Penstemon moriahensis
                                            Penstemon multicaulis
                                            Penstemon multiflorus
                                            Penstemon murrayanus
                                            Penstemon nanus
                                            Penstemon navajoa
                                            Penstemon nemorosus
                                            Penstemon neomexicanus
                                            Penstemon neotericus
                                            Penstemon newberryi
                                              Penstemon newberryi ssp. berryi
                                                     [Penstemon berryi]
                                              Penstemon newberryi ssp. newberryi
                                              Penstemon newberryi ssp. sonomensis
                                              Penstemon newberryi var. berryi
                                              Penstemon newberryi var. newberryi
                                              Penstemon newberryi var. sonomensis
                                            Penstemon nitidus
                                              Penstemon nitidus ssp. polyphyllus
                                              Penstemon nitidus var. nitidus
                                              Penstemon nitidus var. polyphyllus
                                            Penstemon nudiflorus
                                            Penstemon nyeensis
                                            Penstemon obtusifolius
                                            Penstemon oklahomensis
                                            Penstemon oliganthus
                                            Penstemon ophianthus
                                                   [Penstemon jamesii ssp. ophianthus]
                                            Penstemon oreocharis
                                            Penstemon oreophilus
                                            Penstemon osterhoutii
                                            Penstemon ovatus
                                              Penstemon ovatus var. pinetorum
                                            Penstemon pachyphyllus
                                              Penstemon pachyphyllus var. congestus
                                                     [Penstemon congestus]
                                                     [Penstemon pachyphyllus ssp. congestus]
                                              Penstemon pachyphyllus var. mucronatus
                                                     [Penstemon mucronatus]
                                              Penstemon pachyphyllus var. pachyphyllus
                                            Penstemon pahutensis
                                            Penstemon pallidus
                                              Penstemon pallidus ssp. arkansanus
                                            Penstemon palmeri
                                              Penstemon palmeri var. eglandulosus
                                                     [Penstemon palmeri ssp. eglandulosus]
                                              Penstemon palmeri var. macranthus
                                              Penstemon palmeri var. palmeri
                                                     [Penstemon palmeri ssp. typicus]
                                            Penstemon papillatus
                                            Penstemon parishii
                                            Penstemon parryi
                                            Penstemon parviflorus
                                            Penstemon parvulus
                                            Penstemon parvus
                                            Penstemon patens
                                            Penstemon payettensis
                                            Penstemon paysoniorum
                                            Penstemon peckii
                                            Penstemon penlandii
                                            Penstemon pennellianus
                                            Penstemon perpulcher
                                            Penstemon personatus
                                            Penstemon petiolatus
                                            Penstemon piliferus
                                            Penstemon pinifolius
                                            Penstemon pinorum
                                            Penstemon platyphyllus
                                            Penstemon pratensis
                                            Penstemon procerus
                                              Penstemon procerus ssp. aberrans
                                              Penstemon procerus ssp. brachyanthus
                                              Penstemon procerus ssp. formosus
                                              Penstemon procerus ssp. modestus
                                              Penstemon procerus ssp. procerus
                                              Penstemon procerus ssp. tolmiei
                                              Penstemon procerus var. aberrans
                                              Penstemon procerus var. brachyanthus
                                                     [Penstemon brachyanthus]
                                              Penstemon procerus var. formosus
                                              Penstemon procerus var. modestus
                                              Penstemon procerus var. procerus
                                              Penstemon procerus var. tolmiei
                                            Penstemon procumbens
                                            Penstemon productus
                                              Penstemon productus var. rigidus
                                            Penstemon pruinosus
                                            Penstemon pseudohumilis
                                            Penstemon pseudoparvus
                                            Penstemon pseudoputus
                                                   [Penstemon virgatus ssp. pseudoputus]
                                            Penstemon pseudospectabilis
                                              Penstemon pseudospectabilis ssp. connatifolius
                                              Penstemon pseudospectabilis ssp. pseudospectabilis
                                                     [Penstemon pseudospectabilis ssp. typicus]
                                            Penstemon puberulus
                                            Penstemon pubescens
                                            Penstemon pudicus
                                            Penstemon pumilus
                                            Penstemon puniceus
                                            Penstemon purpusii
                                            Penstemon putus
                                                   [Penstemon virgatus ssp. putus]
                                            Penstemon radicosus
                                            Penstemon ramaleyi
                                            Penstemon ramosus
                                                   [Penstemon lanceolatus]
                                                   [Penstemon pauciflorus]
                                            Penstemon rattanii
                                              Penstemon rattanii ssp. kleei
                                              Penstemon rattanii ssp. rattanii
                                              Penstemon rattanii var. kleei
                                              Penstemon rattanii var. minor
                                              Penstemon rattanii var. rattanii
                                            Penstemon recurvatus
                                            Penstemon retrorsus
                                            Penstemon rhizomatosus
                                            Penstemon richardsonii
                                              Penstemon richardsonii ssp. curtiflorus
                                              Penstemon richardsonii var. curtiflorus
                                              Penstemon richardsonii var. dentatus
                                                     [Penstemon richardsonii ssp. dentatus]
                                              Penstemon richardsonii var. richardsonii
                                            Penstemon roezli
                                            Penstemon roezlii
                                                   [Penstemon cinerascens]
                                                   [Penstemon laetus ssp. roezlii]
                                                   [Penstemon laetus var. roezlii]
                                              Penstemon roezlii var. violaceus
                                            Penstemon roseus
                                            Penstemon rostriflorus
                                                   [Penstemon bridgesii var. amplexicaulis]
                                                   [Penstemon bridgesii]
                                            Penstemon rothrockii
                                              Penstemon rothrockii ssp. jacintensis
                                            Penstemon rotundifolius
                                            Penstemon rubicundus
                                            Penstemon rupicola
                                            Penstemon rydbergii
                                              Penstemon rydbergii var. aggregatus
                                                     [Penstemon aggregatus]
                                                     [Penstemon rydbergii ssp. aggregatus]
                                              Penstemon rydbergii var. oreocharis
                                              Penstemon rydbergii var. rydbergii
                                              Penstemon rydbergii var. varians
                                            Penstemon saxosorum
                                            Penstemon scabridus
                                            Penstemon scapoides
                                            Penstemon scariosus
                                              Penstemon scariosus var. albifluvis
                                              Penstemon scariosus var. cyanomontanus
                                              Penstemon scariosus var. garrettii
                                              Penstemon scariosus var. scariosus
                                            Penstemon scoparius
                                            Penstemon scouleri
                                            Penstemon secundiflorus
                                              Penstemon secundiflorus ssp. lavendulus
                                            Penstemon seorsus
                                            Penstemon sepalulus
                                            Penstemon serrulatus
                                            Penstemon shantzii
                                              Penstemon shantzii var. incognitus
                                            Penstemon shastensis
                                            Penstemon shockleyi
                                            Penstemon similis
                                            Penstemon smallii
                                            Penstemon sonomensis
                                            Penstemon spatulatus
                                            Penstemon speciosus
                                              Penstemon speciosus ssp. kennedyi
                                              Penstemon speciosus ssp. lemhiensis
                                              Penstemon speciosus ssp. typicus
                                              Penstemon speciosus var. piliferus
                                            Penstemon spectabilis
                                              Penstemon spectabilis ssp. spectabilis
                                              Penstemon spectabilis ssp. subinteger
                                              Penstemon spectabilis ssp. subviscosus
                                              Penstemon spectabilis var. spectabilis
                                              Penstemon spectabilis var. subviscosus
                                              Penstemon spectabilis var. gilmanii
                                            Penstemon spinulosus
                                            Penstemon stenophyllus
                                              Penstemon stenophyllus var. dasyphyllus
                                            Penstemon stenosepalus
                                            Penstemon stephensii
                                            Penstemon strictiformis
                                                   [Penstemon strictus ssp. strictiformis]
                                            Penstemon strictus
                                                   [Penstemon strictus ssp. angustus]
                                            Penstemon subglaber
                                            Penstemon subserratus
                                            Penstemon subulatus
                                            Penstemon sudans
                                            Penstemon suffrutescens
                                            Penstemon superbus
                                            Penstemon tenuiflorus
                                            Penstemon tenuis
                                            Penstemon ternatus
                                              Penstemon ternatus ssp. septentrionalis
                                            Penstemon teucrioides
                                            Penstemon thompsoniae
                                              Penstemon thompsoniae ssp. jaegeri
                                              Penstemon thompsoniae ssp. thompsoniae
                                                     [Penstemon thompsoniae var. desperatus]
                                              Penstemon thompsoniae ssp. typicus
                                            Penstemon thurberi
                                                   [Penstemon thurberi var. anestius]
                                            Penstemon tidestromii
                                            Penstemon tiehmii
                                            Penstemon tinctus
                                            Penstemon tolmiei
                                              Penstemon tolmiei ssp. brachyanthus
                                              Penstemon tolmiei ssp. formosus
                                            Penstemon tracyi
                                            Penstemon trichander
                                            Penstemon triflorus
                                              Penstemon triflorus ssp. integrifolius
                                              Penstemon triflorus ssp. triflorus
                                              Penstemon triflorus var. integrifolius
                                            Penstemon triphyllus
                                              Penstemon triphyllus ssp. diphyllus
                                              Penstemon triphyllus ssp. triphyllus
                                            Penstemon tubiflorus
                                              Penstemon tubiflorus var. achoreus
                                              Penstemon tubiflorus var. tubiflorus
                                            Penstemon tusharensis
                                            Penstemon uintahensis
                                            Penstemon unilateralis
                                                   [Penstemon virgatus ssp. asa-grayi]
                                                   [Penstemon virgatus var. asa-grayi]
                                            Penstemon utahensis
                                            Penstemon variabilis
                                            Penstemon vaseyanus
                                            Penstemon venustus
                                            Penstemon versicolor
                                            Penstemon virens
                                            Penstemon virgatus
                                                   [Penstemon virgatus ssp. virgatus]
                                              Penstemon virgatus var. virgatus
                                            Penstemon vizcainensis
                                            Penstemon wardii
                                            Penstemon washingtonensis
                                            Penstemon washoensis
                                            Penstemon watsonii
                                              Penstemon watsonii ssp. laxus
                                            Penstemon wherryi
                                            Penstemon whippleanus
                                            Penstemon whitedii
                                              Penstemon whitedii ssp. dayanus
                                              Penstemon whitedii ssp. tristis
                                              Penstemon whitedii ssp. whitedii
                                            Penstemon wilcoxii
                                            Penstemon wisconsinensis
                                            Penstemon wislizeni
                                            Penstemon wislizenii
                                            Penstemon wrightii
                                            Penstemon x dubius
                                            Penstemon x jonesii
                                            Penstemon x parishii
                                            Penstemon x peirsonii
                                            Penstemon xylus
                                            Penstemon yampaensis
                                    Plantago
                                            Plantago alismatifolia
                                            Plantago amplexicaulis
                                            Plantago argyraea
                                                   [Plantago purshii var. argyraea]
                                            Plantago argyrea
                                                   [Plantago purshii var. argyrea]
                                            Plantago aristata
                                                   [Plantago aristata var. nuttallii]
                                                   [Plantago patagonica var. aristata]
                                            Plantago australis
                                              Plantago australis ssp. hirtella
                                                     [Plantago hirtella ssp. galeottiana]
                                                     [Plantago hirtella var. annua]
                                                     [Plantago hirtella var. galeottiana]
                                                     [Plantago hirtella var. mollior]
                                                     [Plantago hirtella]
                                            Plantago barbata
                                            Plantago bellardi
                                            Plantago bigelovii
                                              Plantago bigelovii ssp. bigelovii
                                              Plantago bigelovii ssp. californica
                                                     [Plantago californica]
                                            Plantago canescens
                                              Plantago canescens var. cylindrica
                                            Plantago ciliata
                                            Plantago cordata
                                            Plantago coronopus
                                              Plantago coronopus ssp. commutata
                                            Plantago debilis
                                            Plantago decipiens
                                            Plantago depressa
                                            Plantago durvillei
                                              Plantago durvillei ssp. subnuda
                                              Plantago durvillei var. angustata
                                            Plantago elongata
                                              Plantago elongata ssp. elongata
                                              Plantago elongata ssp. pentasperma
                                            Plantago erecta
                                                   [Plantago erecta ssp. rigidior]
                                                   [Plantago hookeriana var. californica]
                                                   [Plantago patagonica var. californica]
                                            Plantago eriopoda
                                                   [Plantago shastensis]
                                            Plantago firma
                                            Plantago glabrifolia
                                            Plantago grayana
                                              Plantago grayana var. abrotanelloides
                                            Plantago hawaiensis
                                              Plantago hawaiensis var. laxa
                                            Plantago helleri
                                            Plantago heterophylla
                                            Plantago hillebrandii
                                            Plantago hispidula
                                            Plantago hookeriana
                                            Plantago ignota
                                            Plantago juncoides
                                              Plantago juncoides var. californica
                                              Plantago juncoides var. decipiens
                                              Plantago juncoides var. glauca
                                              Plantago juncoides var. laurentiana
                                            Plantago krajinae
                                            Plantago lagopus
                                            Plantago lanceolata
                                                   [Plantago altissima]
                                                   [Plantago lanceolata var. sphaerostachya]
                                            Plantago linearis
                                              Plantago linearis var. mexicana
                                            Plantago macrocarpa
                                            Plantago major
                                                   [Plantago asiatica]
                                                   [Plantago halophila]
                                                   [Plantago major ssp. intermedia]
                                                   [Plantago major var. asiatica]
                                                   [Plantago major var. intermedia]
                                                   [Plantago major var. pachyphylla]
                                                   [Plantago major var. pilgeri]
                                                   [Plantago major var. scopulorum]
                                            Plantago maritima
                                              Plantago maritima ssp. borealis
                                              Plantago maritima ssp. juncoides
                                              Plantago maritima ssp. serpentina
                                              Plantago maritima var. californica
                                              Plantago maritima var. juncoides
                                            Plantago media
                                              Plantago media var. monnieri
                                            Plantago melanochrous
                                            Plantago mexicana
                                            Plantago muscicola
                                            Plantago myosuroides
                                            Plantago nivea
                                            Plantago obversa
                                            Plantago occidentalis
                                            Plantago oliganthos
                                              Plantago oliganthos var. fallax
                                            Plantago ovata
                                                   [Plantago brunnea]
                                                   [Plantago gooddingii]
                                                   [Plantago insularis var. scariosa]
                                                   [Plantago insularis]
                                                   [Plantago minima]
                                              Plantago ovata var. fastigiata
                                                     [Plantago fastigiata]
                                                     [Plantago insularis var. fastigiata]
                                            Plantago pachyphylla
                                              Plantago pachyphylla var. maviensis
                                              Plantago pachyphylla var. rotundifolia
                                            Plantago patagonica
                                                   [Plantago patagonica var. breviscapa]
                                                   [Plantago patagonica var. gnaphalioides]
                                                   [Plantago patagonica var. oblonga]
                                                   [Plantago patagonica var. spinulosa]
                                                   [Plantago picta]
                                                   [Plantago purshii var. breviscapa]
                                                   [Plantago purshii var. oblonga]
                                                   [Plantago purshii var. picta]
                                                   [Plantago purshii var. spinulosa]
                                                   [Plantago purshii]
                                                   [Plantago spinulosa]
                                                   [Plantago wyomingensis]
                                            Plantago princeps
                                              Plantago princeps var. acaulis
                                              Plantago princeps var. anomala
                                              Plantago princeps var. denticulata
                                              Plantago princeps var. elata
                                              Plantago princeps var. hirtella
                                              Plantago princeps var. laxiflora
                                              Plantago princeps var. longibracteata
                                              Plantago princeps var. princeps
                                              Plantago princeps var. queleniana
                                            Plantago psyllium
                                                   [Plantago arenaria]
                                                   [Plantago indica]
                                                   [Plantago scabra]
                                            Plantago pusilla
                                                   [Plantago hybrida]
                                                   [Plantago pusilla var. major]
                                            Plantago rhodosperma
                                            Plantago rugelii
                                              Plantago rugelii var. asperula
                                              Plantago rugelii var. rugelii
                                            Plantago septata
                                            Plantago sparsiflora
                                            Plantago speciosa
                                            Plantago subnuda
                                            Plantago truncata
                                              Plantago truncata ssp. firma
                                            Plantago tweedyi
                                                   [Plantago eriopoda var. tweedyi]
                                            Plantago virginica
                                                   [Plantago virginica var. viridescens]
                                            Plantago wrightiana
                                                   [Plantago hookeriana var. nuda]
                                    Pocilla
                                            Pocilla agrestis
                                    Pseudolysimachion
                                            Pseudolysimachion longifolium
                                            Pseudolysimachion spicatum
                                            Pseudolysimachion spurium
                                    Pseudorontium
                                            Pseudorontium cyathiferum
                                                   [Antirrhinum cyathiferum]
                                    Rhodochiton
                                            Rhodochiton volubile
                                    Russelia
                                           [Phragmotheca]
                                            Russelia chiapensis
                                            Russelia coccinea
                                            Russelia contrerasii
                                            Russelia cuneata
                                            Russelia elongata
                                            Russelia equisetiformis
                                                   [Russelia juncea]
                                            Russelia floribunda
                                              Russelia floribunda var. pubescens
                                            Russelia furfuracea
                                            Russelia grandidentata
                                            Russelia lanceifolia
                                            Russelia multiflora
                                            Russelia obtusata
                                            Russelia parvifolia
                                            Russelia polyedra
                                            Russelia pringlei
                                            Russelia retrorsa
                                            Russelia sarmentosa
                                            Russelia sonorensis
                                              Russelia sonorensis var. pubescens
                                              Russelia sonorensis var. sonorensis
                                            Russelia standleyi
                                            Russelia tenuis
                                            Russelia ternifolia
                                            Russelia tetraptera
                                            Russelia villosa
                                            Russelia worthingtonii
                                    Sairocarpus
                                            Sairocarpus breweri
                                            Sairocarpus cornutus
                                            Sairocarpus coulterianus
                                                   [Antirrhinum coulterianum ssp. orcuttianum]
                                                   [Antirrhinum coulterianum]
                                            Sairocarpus elmeri
                                                   [Antirrhinum elmeri]
                                            Sairocarpus kingii
                                                   [Antirrhinum kingii]
                                            Sairocarpus multiflorus
                                            Sairocarpus nuttallianus
                                                   [Antirrhinum nuttallianum ssp. nuttallianum]
                                                   [Antirrhinum nuttallianum]
                                            Sairocarpus pusillus
                                                   [Antirrhinum nuttallianum ssp. subsessile]
                                                   [Antirrhinum subsessile]
                                            Sairocarpus subcordatus
                                            Sairocarpus vexillocalyculatus
                                            Sairocarpus virga
                                            Sairocarpus watsonii
                                                   [Antirrhinum kingii var. watsonii]
                                    Schistophragma
                                            Schistophragma intermedia
                                                   [Conobea intermedia]
                                                   [Leucospora intermedia var. intermedia]
                                                   [Leucospora intermedia var. subglabra]
                                                   [Leucospora intermedia]
                                                   [Schistophragma intermedium]
                                            Schistophragma mexicanum
                                                   [Leucospora mexicana]
                                            Schistophragma polystachyum
                                            Schistophragma pusilla
                                    Scoparia
                                            Scoparia annua
                                            Scoparia dulcis
                                            Scoparia flava
                                            Scoparia montevidensis
                                              Scoparia montevidensis var. glandulifera
                                    Sibthorpia
                                            Sibthorpia pichinchensis
                                            Sibthorpia repens
                                    Sophronanthe
                                            Sophronanthe hispida
                                            Sophronanthe pilosa
                                    Stemodia
                                            Stemodia bartsioides
                                            Stemodia durantifolia
                                                   [Capraria durantifolia]
                                                   [Stemodia arizonica]
                                              Stemodia durantifolia var. durantifolia
                                            Stemodia lanata
                                            Stemodia macrantha
                                            Stemodia maritima
                                            Stemodia palmeri
                                            Stemodia peduncularis
                                            Stemodia polystachya
                                            Stemodia pusilla
                                            Stemodia schottii
                                            Stemodia tenuifolia
                                            Stemodia tomentosa
                                            Stemodia verticillata
                                    Stemodiacra
                                    Synthyris
                                            Synthyris borealis
                                            Synthyris bullii
                                            Synthyris canbyi
                                            Synthyris cordata
                                            Synthyris cymopteroides
                                            Synthyris dissecta
                                            Synthyris flavescens
                                            Synthyris hendersonii
                                            Synthyris laciniata
                                              Synthyris laciniata ssp. ibapahensis
                                            Synthyris lanuginosa
                                            Synthyris missurica
                                              Synthyris missurica ssp. hirsuta
                                              Synthyris missurica ssp. missurica
                                              Synthyris missurica ssp. stellata
                                              Synthyris missurica var. major
                                            Synthyris oblongifolia
                                                   [Besseya oblongifolia]
                                            Synthyris paysonii
                                            Synthyris pinnatifida
                                              Synthyris pinnatifida var. canescens
                                              Synthyris pinnatifida var. laciniata
                                              Synthyris pinnatifida var. lanuginosa
                                              Synthyris pinnatifida var. pinnatifida
                                            Synthyris plantaginea
                                            Synthyris platycarpa
                                            Synthyris ranunculina
                                            Synthyris reniformis
                                              Synthyris reniformis var. cordata
                                              Synthyris reniformis var. major
                                              Synthyris reniformis var. reniformis
                                            Synthyris rubra
                                            Synthyris schizantha
                                            Synthyris stellata
                                    Tetranema
                                    Tonella
                                            Tonella floribunda
                                            Tonella tenella
                                    Tragiola
                                            Tragiola pilosa
                                              Tragiola pilosa ssp. epilis
                                    Uroskinnera
                                            Uroskinnera almedae
                                            Uroskinnera hirtiflora
                                            Uroskinnera spectabilis
                                    Veronica
                                            Veronica agrestis
                                            Veronica alpina
                                            Veronica americana
                                              Veronica americana var. crassula
                                            Veronica anagallis-aquatica
                                                   [Veronica X lackschewitzii]
                                                   [Veronica anagallis]
                                                   [Veronica catenata var. glandulosa]
                                                   [Veronica catenata]
                                                   [Veronica comosa var. glaberrima]
                                                   [Veronica comosa var. glandulosa]
                                                   [Veronica comosa]
                                                   [Veronica connata ssp. glaberrima]
                                                   [Veronica connata var. glaberrima]
                                                   [Veronica connata var. typica]
                                                   [Veronica connata]
                                                   [Veronica glandifera]
                                                   [Veronica grandiflora]
                                                   [Veronica micromeria]
                                                   [Veronica salina]
                                            Veronica arvensis
                                            Veronica austriaca
                                              Veronica austriaca ssp. teucrium
                                              Veronica austriaca ssp. vahlii
                                            Veronica bachofenii
                                            Veronica beccabunga
                                              Veronica beccabunga var. americana
                                            Veronica biloba
                                                   [Pocilla biloba]
                                            Veronica campylopoda
                                            Veronica chamaedrys
                                            Veronica ciliata
                                            Veronica copelandii
                                            Veronica crenatifolia
                                            Veronica crinita
                                            Veronica cusickii
                                            Veronica cymbalaria
                                            Veronica dillenii
                                            Veronica filiformis
                                            Veronica franciscana
                                            Veronica fruticans
                                            Veronica gentianoides
                                            Veronica glandulifera
                                            Veronica grandis
                                            Veronica hederifolia
                                            Veronica incana
                                            Veronica latifolia
                                            Veronica longifolia
                                            Veronica lysimachioides
                                            Veronica mexicana
                                            Veronica michauxii
                                            Veronica officinalis
                                              Veronica officinalis var. officinalis
                                              Veronica officinalis var. tournefortii
                                            Veronica opaca
                                            Veronica peregrina
                                              Veronica peregrina ssp. peregrina
                                              Veronica peregrina ssp. xalapensis
                                                     [Veronica peregrina var. xalapensis]
                                                     [Veronica sherwoodii]
                                                     [Veronica xalapensis]
                                              Veronica peregrina var. typica
                                            Veronica perfoliata
                                            Veronica persica
                                                   [Pocilla persica]
                                                   [Veronica buxbaumii]
                                                   [Veronica persica var. aschersoniana]
                                                   [Veronica persica var. corrensiana]
                                            Veronica plebia
                                            Veronica polita
                                                   [Pocilla polita]
                                                   [Veronica didyma]
                                            Veronica prostrata
                                            Veronica scutellata
                                              Veronica scutellata var. villosa
                                            Veronica serpyllifolia
                                              Veronica serpyllifolia ssp. humifusa
                                                     [Veronica humifusa]
                                                     [Veronica serpyllifolia var. borealis]
                                                     [Veronica serpyllifolia var. humifusa]
                                                     [Veronica tenella]
                                                     [Veronicastrum serpyllifolium ssp. humifusum]
                                              Veronica serpyllifolia ssp. serpyllifolia
                                              Veronica serpyllifolia var. neomexicana
                                              Veronica serpyllifolia var. nummularioides
                                            Veronica speciosa
                                            Veronica spicata
                                              Veronica spicata ssp. incana
                                              Veronica spicata ssp. spicata
                                            Veronica spuria
                                            Veronica stelleri
                                            Veronica teucrium
                                            Veronica tournefortii
                                            Veronica triphyllos
                                            Veronica undulata
                                            Veronica verna
                                            Veronica virginica
                                            Veronica wormskjoldii
                                                   [Veronica alpina var. alterniflora]
                                                   [Veronica alpina var. cascadensis]
                                                   [Veronica alpina var. geminiflora]
                                                   [Veronica alpina var. nutans]
                                                   [Veronica alpina var. terrae-novae]
                                                   [Veronica alpina var. unalaschcensis]
                                                   [Veronica nutans]
                                                   [Veronica stelleri var. glabrescens]
                                                   [Veronica wormskjoldii ssp. alterniflora]
                                              Veronica wormskjoldii var. stelleri
                                              Veronica wormskjoldii var. wormskjoldii
                                    Veronicastrum
                                            Veronicastrum serpyllifolium
                                            Veronicastrum virginicum
                                    Wulfenia
                                            Wulfenia bullii
                                            Wulfenia gymnocarpa
                                            Wulfenia plantaginea