Plants of the Four Corners

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  Plantae
      Tracheophyta
            Magnoliopsida
                    Lamiales
                            Plantaginaceae
                                   [Callitrichaceae]
                              Antirrhinoideae
                                     Antirrhinum
                                             Antirrhinum majus
                                     Chaenorhinum
                                             Chaenorhinum minus
                                     Cymbalaria
                                             Cymbalaria muralis
                                     Epixiphium
                                             Epixiphium wislizeni
                                                   [Maurandya wislizeni]
                                     Linaria
                                             Linaria bipartita
                                             Linaria dalmatica
                                                   [Linaria genistifolia subsp. dalmatica]
                                             Linaria genistifolia
                                               Linaria genistifolia subsp. genistifolia
                                             Linaria grandiflora
                                             Linaria maroccana
                                             Linaria vulgaris
                                     Mabrya
                                             Mabrya acerifolia
                                                   [Maurandya acerifolia]
                                     Maurandella
                                             Maurandella antirrhiniflora
                                                   [Antirrhinum maurandioides]
                                                   [Maurandya antirrhiniflora]
                                     Maurandya
                                     Mohavea
                                             Mohavea breviflora
                                             Mohavea confertiflora
                                     Neogaerrhinum
                                             Neogaerrhinum filipes
                                                   [Antirrhinum filipes]
                                     Nuttallanthus
                                             Nuttallanthus canadensis
                                                   [Linaria canadensis]
                                             Nuttallanthus floridanus
                                                   [Linaria floridana]
                                             Nuttallanthus texanus
                                                   [Linaria canadensis var. texana]
                                                   [Linaria texana]
                                     Pseudorontium
                                             Pseudorontium cyathiferum
                                                   [Antirrhinum cyathiferum]
                                     Sairocarpus
                                             Sairocarpus kingii
                                                   [Antirrhinum kingii]
                                             Sairocarpus multiflorus
                                             Sairocarpus nuttallianus
                                                   [Antirrhinum nuttallianum subsp. subsessile]
                                                   [Antirrhinum nuttallianum]
                                                   [Sairocarpus pusillus]
                                             Sairocarpus watsonii
                                                   [Antirrhinum watsonii]
                              Callitrichoideae
                                     Callitriche
                                             Callitriche hermaphroditica
                                               Callitriche hermaphroditica subsp. hermaphroditica
                                                     [Callitriche autumnalis]
                                             Callitriche heterophylla
                                             Callitriche palustris
                                               Callitriche palustris subsp. palustris
                                                     [Callitriche palustris var. verna]
                                                     [Callitriche verna]
                                     Hippuris
                                             Hippuris vulgaris
                              Chelonoideae
                                     Chelone
                                             Chelone glabra
                                     Chionophila
                                             Chionophila jamesii
                                     Collinsia
                                             Collinsia grandiflora
                                                   [Collinsia tenella]
                                             Collinsia heterophylla
                                             Collinsia parryi
                                             Collinsia parviflora
                                             Collinsia sparsiflora
                                             Collinsia wrightii
                                                   [Collinsia brachysiphon]
                                     Keckiella
                                             Keckiella antirrhinoides
                                                   [Penstemon antirrhinoides]
                                               Keckiella antirrhinoides var. microphylla
                                                     [Keckiella antirrhinoides subsp. microphylla]
                                                     [Penstemon antirrhinoides subsp. microphyllus]
                                                     [Penstemon microphyllus]
                                             Keckiella breviflora
                                                   [Penstemon breviflorus]
                                             Keckiella rothrockii
                                                   [Penstemon rothrockii]
                                     Penstemon
                                           [Leiostemon]
                                             Penstemon abietinus
                                             Penstemon acaulis
                                             Penstemon acuminatus
                                             Penstemon alamosensis
                                             Penstemon albidus
                                             Penstemon albomarginatus
                                             Penstemon ambiguus
                                                   [Leiostemon ambiguus]
                                                   [Penstemon ambiguus var. foliosus]
                                               Penstemon ambiguus var. laevissimus
                                                     [Penstemon ambiguus subsp. laevissimus]
                                             Penstemon ammophilus
                                             Penstemon angustifolius
                                               Penstemon angustifolius var. caudatus
                                                     [Penstemon angustifolius subsp. caudatus]
                                                     [Penstemon caudatus]
                                               Penstemon angustifolius var. dulcis
                                               Penstemon angustifolius var. venosus
                                                     [Penstemon angustifolius subsp. venosus]
                                               Penstemon angustifolius var. vernalensis
                                             Penstemon arenicola
                                             Penstemon attenuatus
                                               Penstemon attenuatus var. pseudoprocerus
                                                     [Penstemon owenii]
                                                     [Penstemon pseudohumilis]
                                                     [Penstemon pseudoprocerus]
                                             Penstemon atwoodii
                                             Penstemon auriberbis
                                                   [Penstemon parviflorus]
                                             Penstemon azureus
                                             Penstemon baccharifolius
                                             Penstemon barbatus
                                                   [Penstemon barbatus var. puberulus]
                                                   [Penstemon coeruleus]
                                               Penstemon barbatus var. torreyi
                                                     [Penstemon barbatus subsp. torreyi]
                                                     [Penstemon torreyi]
                                               Penstemon barbatus var. trichander
                                                     [Penstemon barbatus subsp. trichander]
                                                     [Penstemon trichander]
                                             Penstemon bicolor
                                                   [Penstemon bicolor subsp. roseus]
                                             Penstemon bleaklyi
                                             Penstemon bracteatus
                                             Penstemon bradburyi
                                                   [Penstemon grandiflorus]
                                             Penstemon breviculus
                                                   [Penstemon jamesii subsp. breviculus]
                                             Penstemon buckleyi
                                             Penstemon caespitosus
                                               Penstemon caespitosus var. desertipicti
                                                     [Penstemon desertipicti]
                                               Penstemon caespitosus var. perbrevis
                                                     [Penstemon caespitosus subsp. perbrevis]
                                             Penstemon canescens
                                             Penstemon cardinalis
                                                   [Penstemon crassulus]
                                               Penstemon cardinalis var. regalis
                                                     [Penstemon cardinalis subsp. regalis]
                                                     [Penstemon regalis]
                                             Penstemon carnosus
                                             Penstemon centranthifolius
                                             Penstemon clutei
                                                   [Penstemon pseudospectabilis subsp. clutei]
                                             Penstemon cobaea
                                                   [Penstemon hansonii]
                                             Penstemon comarrhenus
                                             Penstemon compactus
                                             Penstemon concinnus
                                             Penstemon confertus
                                                   [Penstemon confertus var. caeruleopurpureus]
                                             Penstemon confusus
                                             Penstemon crandallii
                                                   [Penstemon suffrutescens]
                                               Penstemon crandallii var. atratus
                                                     [Penstemon crandallii subsp. atratus]
                                               Penstemon crandallii var. glabrescens
                                                     [Penstemon crandallii subsp. glabrescens]
                                                     [Penstemon crandallii subsp. taosensis]
                                                     [Penstemon crandallii var. taosensis]
                                                     [Penstemon glabrescens]
                                                     [Penstemon linarioides subsp. taosensis]
                                               Penstemon crandallii var. procumbens
                                                     [Penstemon crandallii subsp. procumbens]
                                                     [Penstemon procumbens]
                                               Penstemon crandallii var. ramaleyi
                                                     [Penstemon ramaleyi]
                                             Penstemon cusickii
                                             Penstemon cyananthus
                                                   [Penstemon glaber var. cyananthus]
                                               Penstemon cyananthus var. judyae
                                               Penstemon cyananthus var. subglaber
                                             Penstemon cyaneus
                                             Penstemon cyanocaulis
                                             Penstemon cyathophorus
                                             Penstemon dasyphyllus
                                                   [Penstemon stenophyllus var. dasyphyllus]
                                             Penstemon davidsonii
                                               Penstemon davidsonii var. praeteritus
                                             Penstemon deaveri
                                                   [Penstemon hallii var. arizonicus]
                                                   [Penstemon virgatus subsp. arizonicus]
                                             Penstemon debilis
                                             Penstemon degeneri
                                             Penstemon deustus
                                               Penstemon deustus var. pedicellatus
                                             Penstemon digitalis
                                             Penstemon discolor
                                             Penstemon distans
                                             Penstemon dolius
                                             Penstemon duchesnensis
                                                   [Penstemon dolius var. duchesnensis]
                                             Penstemon eatonii
                                               Penstemon eatonii var. exsertus
                                                     [Penstemon eatonii subsp. exsertus]
                                                     [Penstemon exsertus]
                                               Penstemon eatonii var. undosus
                                                     [Penstemon coccinatus]
                                                     [Penstemon eatonii subsp. undosus]
                                             Penstemon eriantherus
                                                   [Penstemon cristatus]
                                               Penstemon eriantherus var. cleburnei
                                               Penstemon eriantherus var. whitedii
                                                     [Penstemon whitedii]
                                             Penstemon euglaucus
                                             Penstemon eximius
                                             Penstemon fasciculatus
                                             Penstemon fendleri
                                             Penstemon flowersii
                                             Penstemon franklinii
                                             Penstemon fremontii
                                                   [Penstemon fremontii var. parryi]
                                             Penstemon fruticosus
                                                   [Penstemon menziesii]
                                             Penstemon gentianoides
                                             Penstemon gibbensii
                                             Penstemon glaber
                                                   [Penstemon riparius]
                                               Penstemon glaber var. alpinus
                                                     [Penstemon alpinus subsp. magnus]
                                                     [Penstemon alpinus]
                                                     [Penstemon magnus]
                                                     [Penstemon oreophilus]
                                               Penstemon glaber var. brandegeei
                                                     [Penstemon alpinus subsp. brandegeei]
                                                     [Penstemon brandegeei]
                                             Penstemon goodrichii
                                             Penstemon gracilentus
                                             Penstemon gracilis
                                                   [Penstemon glaucus]
                                             Penstemon grahamii
                                             Penstemon griffinii
                                             Penstemon hallii
                                                   [Penstemon bakeri]
                                             Penstemon harbourii
                                             Penstemon harringtonii
                                             Penstemon havardii
                                             Penstemon haydenii
                                             Penstemon hesperius
                                             Penstemon heterophyllus
                                             Penstemon hirsutus
                                                   [Penstemon pubescens]
                                             Penstemon humilis
                                                   [Penstemon collinus]
                                                   [Penstemon decurvus]
                                                   [Penstemon puberulus]
                                               Penstemon humilis var. brevifolius
                                                     [Penstemon brevifolius]
                                                     [Penstemon humilis subsp. brevifolius]
                                               Penstemon humilis var. obtusifolius
                                                     [Penstemon humilis subsp. obtusifolius]
                                                     [Penstemon obtusifolius]
                                             Penstemon idahoensis
                                             Penstemon immanifestus
                                             Penstemon inflatus
                                             Penstemon jamesii
                                                   [Penstemon similis]
                                             Penstemon janishiae
                                             Penstemon kingii
                                             Penstemon labrosus
                                             Penstemon laetus
                                             Penstemon laevis
                                             Penstemon lanceolatus
                                                   [Penstemon pauciflorus]
                                                   [Penstemon ramosus]
                                             Penstemon laricifolius
                                               Penstemon laricifolius var. exilifolius
                                                     [Penstemon laricifolius subsp. exilifolius]
                                             Penstemon laxiflorus
                                             Penstemon laxus
                                             Penstemon leiophyllus
                                             Penstemon lentus
                                               Penstemon lentus var. albiflorus
                                                     [Penstemon lentus subsp. albiflorus]
                                             Penstemon leonardii
                                               Penstemon leonardii var. higginsii
                                                     [Penstemon higginsii]
                                               Penstemon leonardii var. patricus
                                                     [Penstemon patricus]
                                             Penstemon linarioides
                                                   [Penstemon linarioides subsp. compactifolius]
                                               Penstemon linarioides var. coloradoensis
                                                     [Penstemon coloradoensis]
                                                     [Penstemon linarioides subsp. coloradoensis]
                                               Penstemon linarioides var. maguirei
                                                     [Penstemon linarioides subsp. maguirei]
                                               Penstemon linarioides var. sileri
                                                     [Penstemon linarioides subsp. sileri]
                                                     [Penstemon linarioides var. viridis]
                                             Penstemon longiflorus
                                                   [Penstemon cyananthus subsp. longiflorus]
                                             Penstemon luculentus
                                                   [Penstemon fremontii var. glabrescens]
                                             Penstemon marcusii
                                             Penstemon mensarum
                                             Penstemon metcalfei
                                             Penstemon moffattii
                                                   [Penstemon moffatii subsp. paysonii]
                                                   [Penstemon paysonii]
                                             Penstemon montanus
                                             Penstemon mucronatus
                                                   [Penstemon pachyphyllus var. mucronatus]
                                             Penstemon murrayanus
                                             Penstemon nanus
                                             Penstemon navajoa
                                             Penstemon neomexicanus
                                             Penstemon nitidus
                                             Penstemon nudiflorus
                                             Penstemon oklahomensis
                                             Penstemon oliganthus
                                             Penstemon ophianthus
                                                   [Penstemon jamesii subsp. ophianthus]
                                             Penstemon osterhoutii
                                             Penstemon pachyphyllus
                                               Penstemon pachyphyllus var. congestus
                                                     [Penstemon acuminatus var. congestus]
                                                     [Penstemon congestus]
                                                     [Penstemon pachyphyllus subsp. congestus]
                                             Penstemon pallidus
                                             Penstemon palmeri
                                               Penstemon palmeri var. eglandulosus
                                                     [Penstemon palmeri subsp. eglandulosus]
                                             Penstemon parryi
                                                   [Penstemon shantzii var. incognitus]
                                             Penstemon parvulus
                                             Penstemon parvus
                                             Penstemon payettensis
                                             Penstemon paysoniorum
                                             Penstemon penlandii
                                             Penstemon perpulcher
                                             Penstemon petiolatus
                                             Penstemon pinifolius
                                             Penstemon pinorum
                                             Penstemon platyphyllus
                                                   [Penstemon heterophyllus var. latifolius]
                                             Penstemon procerus
                                                   [Penstemon confertus var. procerus]
                                               Penstemon procerus var. aberrans
                                                     [Penstemon confertus var. aberrans]
                                                     [Penstemon procerus subsp. aberrans]
                                             Penstemon pseudoparvus
                                             Penstemon pseudoputus
                                             Penstemon pseudospectabilis
                                               Penstemon pseudospectabilis var. connatifolius
                                                     [Penstemon connatifolius]
                                                     [Penstemon pseudospectabilis subsp. connatifolius]
                                             Penstemon pumilus
                                                   [Penstemon pumilus var. incanus]
                                             Penstemon putus
                                                   [Penstemon virgatus subsp. putus]
                                             Penstemon radicosus
                                             Penstemon retrorsus
                                             Penstemon richardsonii
                                               Penstemon richardsonii var. dentatus
                                                     [Penstemon richardsonii subsp. dentatus]
                                             Penstemon roezlii
                                             Penstemon rostriflorus
                                                   [Penstemon bridgesii]
                                             Penstemon rydbergii
                                                   [Penstemon lacerellus]
                                                   [Penstemon latiusculus]
                                                   [Penstemon rydbergii var. varians]
                                               Penstemon rydbergii var. aggregatus
                                                     [Penstemon aggregatus]
                                                     [Penstemon rydbergii subsp. aggregatus]
                                               Penstemon rydbergii var. oreocharis
                                             Penstemon saxosorum
                                             Penstemon scariosus
                                               Penstemon scariosus var. albifluvis
                                                     [Penstemon albifluvis]
                                               Penstemon scariosus var. cyanomontanus
                                               Penstemon scariosus var. garrettii
                                                     [Penstemon garrettii]
                                               Penstemon scariosus var. jolynniae
                                             Penstemon secundiflorus
                                                   [Penstemon secundiflorus subsp. lavendulus]
                                               Penstemon secundiflorus var. versicolor
                                                     [Penstemon versicolor]
                                             Penstemon sepalulus
                                                   [Penstemon azureus var. ambiguus]
                                             Penstemon serrulatus
                                             Penstemon speciosus
                                             Penstemon spectabilis
                                             Penstemon stenophyllus
                                             Penstemon strictiformis
                                                   [Penstemon strictus subsp. strictiformis]
                                             Penstemon strictus
                                                   [Penstemon strictus subsp. angustus]
                                             Penstemon subglaber
                                                   [Penstemon glaber var. utahensis]
                                             Penstemon subulatus
                                             Penstemon superbus
                                                   [Penstemon puniceus]
                                             Penstemon teucrioides
                                             Penstemon thompsoniae
                                                   [Penstemon pumilus var. thompsoniae]
                                                   [Penstemon thompsoniae var. desperatus]
                                             Penstemon thurberi
                                                   [Leiostemon thurberi]
                                                   [Penstemon ambiguus var. thurberi]
                                                   [Penstemon scoparius]
                                             Penstemon tidestromii
                                                   [Penstemon leptanthus]
                                             Penstemon uintahensis
                                             Penstemon unilateralis
                                             Penstemon utahensis
                                             Penstemon venustus
                                             Penstemon virens
                                             Penstemon virgatus
                                               Penstemon virgatus var. asa-grayi
                                                     [Penstemon virgatus subsp. asa-grayi]
                                             Penstemon wardii
                                             Penstemon watsonii
                                                   [Penstemon phlogifolius]
                                             Penstemon whippleanus
                                                   [Penstemon arizonicus]
                                                   [Penstemon glaucus var. stenosepalus]
                                                   [Penstemon pallescens]
                                                   [Penstemon stenosepalus]
                                             Penstemon wilcoxii
                                                   [Penstemon pinetorum]
                                             Penstemon wrightii
                                             Penstemon xylus
                                                   [Penstemon caespitosus subsp. suffruticosus]
                                                   [Penstemon caespitosus var. suffruticosus]
                                                   [Penstemon tusharensis]
                                             Penstemon yampaensis
                                                   [Penstemon acaulis var. yampaensis]
                                             Penstemon ×jonesii
                                             Penstemon ×mirus
                                     Russelia
                                             Russelia coccinea
                                                   [Scrophularia coccinea]
                                             Russelia equisetiformis
                                     Tonella
                                             Tonella tenella
                              Digitalidoideae
                                     Digitalis
                                             Digitalis grandiflora
                                             Digitalis purpurea
                                     Plantago
                                             Plantago argyrea
                                             Plantago aristata
                                             Plantago asiatica
                                             Plantago australis
                                               Plantago australis subsp. hirtella
                                             Plantago elongata
                                                   [Plantago bigelovii subsp. californica]
                                                   [Plantago bigelovii]
                                                   [Plantago myosuroides]
                                             Plantago erecta
                                             Plantago eriopoda
                                                   [Plantago retrorsa]
                                             Plantago hawaiensis
                                             Plantago helleri
                                             Plantago hookeriana
                                             Plantago lanceolata
                                             Plantago major
                                                   [Plantago major var. pachyphylla]
                                             Plantago ovata
                                               Plantago ovata var. fastigiata
                                                     [Plantago fastigiata]
                                                     [Plantago insularis var. fastigiata]
                                               Plantago ovata var. insularis
                                                     [Plantago insularis]
                                             Plantago patagonica
                                                   [Plantago gnaphalioides]
                                                   [Plantago ignota]
                                                   [Plantago patagonica var. breviscapa]
                                                   [Plantago patagonica var. gnaphalioides]
                                                   [Plantago patagonica var. oblonga]
                                                   [Plantago patagonica var. spinulosa]
                                                   [Plantago purshii var. oblonga]
                                                   [Plantago purshii var. picta]
                                                   [Plantago purshii var. spinulosa]
                                                   [Plantago purshii]
                                                   [Plantago spinulosa var. oblonga]
                                                   [Plantago spinulosa]
                                             Plantago princeps
                                             Plantago pusilla
                                             Plantago rhodosperma
                                             Plantago rugelii
                                             Plantago tubulosa
                                                   [Plantago purpusii]
                                             Plantago tweedyi
                                                   [Plantago eriopoda var. tweedyi]
                                             Plantago virginica
                                             Plantago wrightiana
                                     Synthyris
                                           [Besseya]
                                             Synthyris alpina
                                                   [Besseya alpina]
                                             Synthyris bullii
                                                   [Besseya bullii]
                                             Synthyris laciniata
                                                   [Synthyris laciniata subsp. ibapahensis]
                                                   [Veronica utahensis]
                                               Synthyris pinnatifida var. laciniata
                                             Synthyris missurica
                                             Synthyris oblongifolia
                                                   [Besseya oblongifolia]
                                                   [Veronica oblongifolia]
                                             Synthyris pinnatifida
                                                   [Veronica paysonii]
                                             Synthyris plantaginea
                                               Synthyris plantaginea subsp. plantaginea
                                                     [Besseya arizonica]
                                                     [Besseya goodingii]
                                                     [Besseya plantaginea]
                                                     [Veronica plantaginea]
                                                     [Wulfenia plantaginea]
                                             Synthyris ritteriana
                                                   [Besseya ritteriana]
                                                   [Synthyris flavescens]
                                                   [Synthyris ritteriana var. obtusa]
                                             Synthyris rubra
                                                   [Besseya rubra]
                                                   [Veronica rubra]
                                             Synthyris wyomingensis
                                                   [Besseya cinerea]
                                                   [Besseya wyomingensis]
                                     Veronica
                                           [Pocilla]
                                             Veronica agrestis
                                             Veronica alpina
                                             Veronica americana
                                                   [Veronica anagallis]
                                                   [Veronica beccabunga var. americana]
                                                   [Veronica crenatifolia]
                                             Veronica anagallis-aquatica
                                               Veronica anagallis-aquatica subsp. anagallis-aquatica
                                                     [Veronica aquatica]
                                             Veronica anagalloides
                                               Veronica anagalloides subsp. anagalloides
                                                     [Veronica salina]
                                             Veronica argute-serrata
                                             Veronica arvensis
                                             Veronica beccabunga
                                             Veronica biloba
                                                   [Pocilla biloba]
                                             Veronica campylopoda
                                             Veronica catenata
                                             Veronica elliptica
                                                   [Veronica marginata]
                                             Veronica filiformis
                                             Veronica grandiflora
                                             Veronica hederifolia
                                             Veronica longifolia
                                             Veronica mexicana
                                             Veronica officinalis
                                             Veronica peregrina
                                               Veronica peregrina var. xalapensis
                                                     [Veronica peregrina subsp. xalapensis]
                                                     [Veronica xalapensis]
                                             Veronica persica
                                                   [Pocilla persica]
                                                   [Veronica buxbaumii]
                                             Veronica pinnata
                                             Veronica polita
                                               Veronica polita subsp. polita
                                                     [Pocilla polita]
                                                     [Veronica didyma]
                                             Veronica scutellata
                                             Veronica serpyllifolia
                                                   [Veronicastrum serpyllifolium]
                                               Veronica serpyllifolia var. humifusa
                                                     [Veronica humifusa]
                                                     [Veronica serpyllifolia subsp. humifusa]
                                                     [Veronica serpyllifolia var. borealis]
                                                     [Veronica serpyllifolia var. neomexicana]
                                                     [Veronicastrum serpyllifolium subsp. humifusum]
                                             Veronica spicata
                                             Veronica spuria
                                             Veronica wormskjoldii
                                               Veronica wormskjoldii subsp. nutans
                                                     [Veronica alpina var. geminiflora]
                                                     [Veronica alpina var. unalaschcensis]
                                                     [Veronica nutans]
                                                     [Veronica wormskjoldii var. nutans]
                                     Veronicastrum
                                             Veronicastrum virginicum
                                                   [Veronica virginica]
                                     Wulfenia
                              Gratioloideae
                                     Angelonia
                                             Angelonia angustifolia
                                     Bacopa
                                           [Conobea]
                                             Bacopa monnieri
                                             Bacopa rotundifolia
                                     Gratiola
                                             Gratiola amphiantha
                                                   [Amphianthus pusillus]
                                             Gratiola neglecta
                                             Gratiola virginiana
                                                   [Gratiola virginica]
                                     Leucospora
                                             Leucospora multifida
                                     Mecardonia
                                             Mecardonia procumbens
                                                   [Mecardonia peduncularis]
                                                   [Mecardonia vandellioides]
                                     Schistophragma
                                             Schistophragma intermedium
                                                   [Conobea intermedia]
                                     Stemodia
                                             Stemodia durantifolia
                                                   [Stemodia arizonica]