Penstemon franklinii Penstemon tiehmii Penstemon saltarius Penstemon idahoensis Penstemon pseudoparvus Penstemon oklahomensis Penstemon campanulatus Penstemon tubiflorus Penstemon vizcainensis Penstemon gracilis Penstemon gentianoides Penstemon xylus Penstemon superbus Penstemon angustifolius Penstemon auriberbis Penstemon cobaea Penstemon digitalis Penstemon glaber Penstemon jamesii Penstemon procerus Penstemon tubaeflorus Penstemon acaulis Penstemon alamosensis Penstemon albomarginatus Penstemon arenarius Penstemon aridus Penstemon attenuatus Penstemon azureus Penstemon barbatus Penstemon bicolor Penstemon breviculus Penstemon caespitosus Penstemon calycosus Penstemon cardinalis Penstemon caryi Penstemon comarrhenus Penstemon confertus Penstemon × crideri Penstemon cyananthus Penstemon cyathophorus Penstemon davidsonii Penstemon deaveri Penstemon diphyllus Penstemon dissectus Penstemon elegantulus Penstemon eriantherus Penstemon euglaucus Penstemon floridus Penstemon fruticiformis Penstemon gairdneri Penstemon globosus Penstemon grahamii Penstemon guadalupensis Penstemon harbourii Penstemon heterodoxus Penstemon hirsutus Penstemon incertus Penstemon jonesii Penstemon labrosus Penstemon laevis Penstemon laxus Penstemon lemhiensis Penstemon leonardii Penstemon marcusii Penstemon × mirus Penstemon moffatii Penstemon moriahensis Penstemon murrayanus Penstemon neomexicanus Penstemon newberryi Penstemon oliganthus Penstemon pachyphyllus Penstemon palmeri Penstemon parryi Penstemon parvus Penstemon payettensis Penstemon pennellianus Penstemon personatus Penstemon pinifolius Penstemon pruinosus Penstemon pseudospectabilis Penstemon pumilus Penstemon radicosus Penstemon retrorsus Penstemon rubicundus Penstemon rydbergii Penstemon saxosorum Penstemon secundiflorus Penstemon sepalulus Penstemon speciosus Penstemon stenophyllus Penstemon strictus Penstemon subulatus Penstemon tenuis Penstemon thompsoniae Penstemon tracyi Penstemon triphyllus Penstemon utahensis Penstemon washingtonensis Penstemon whippleanus Penstemon yampaensis Penstemon penlandii Penstemon floribundus Penstemon ophianthus Penstemon ammophilus Penstemon longiflorus Penstemon strictiformis Penstemon rostriflorus Penstemon brevibarbatus Penstemon debilis Penstemon gibbensii Penstemon gentryi Penstemon fasciculatus Penstemon × peirsonii Penstemon cerrosensis Penstemon punctatus Penstemon amphorellae Penstemon filisepalis Penstemon henricksonii Penstemon luteus Penstemon minutifolius Penstemon plagapineus Penstemon kralii Penstemon bleaklyi Penstemon curtiflorus Penstemon brevisepalus Penstemon schaffneri Penstemon rhizomatosus Penstemon moronensis Penstemon inflatus Penstemon nitidus Penstemon vulcanellus Penstemon gormanii Penstemon griffinii Penstemon metcalfei Penstemon wendtiorum Penstemon × dubius Penstemon angelicus Penstemon wislizeni Penstemon albidus Penstemon ambiguus Penstemon buckleyi Penstemon clutei Penstemon fendleri Penstemon haydenii Penstemon laxiflorus Penstemon pallidus Penstemon serrulatus Penstemon virens Penstemon imberbis Penstemon abietinus Penstemon acuminatus Penstemon albertinus Penstemon anguineus Penstemon arenicola Penstemon arkansanus Penstemon atwoodii Penstemon australis Penstemon baccharifolius Penstemon barnebyi Penstemon barrettiae Penstemon bracteatus Penstemon caesius Penstemon calcareus Penstemon californicus Penstemon canescens Penstemon cardwellii Penstemon carnosus Penstemon centranthifolius Penstemon cinicola Penstemon clevelandii Penstemon concinnus Penstemon confusus Penstemon crandallii Penstemon cusickii Penstemon cyaneus Penstemon cyanocaulis Penstemon dasyphyllus Penstemon deamii Penstemon degeneri Penstemon deustus Penstemon discolor Penstemon dolius Penstemon eatonii Penstemon ellipticus Penstemon filiformis Penstemon flavescens Penstemon fremontii Penstemon fruticosus Penstemon glandulosus Penstemon glaucinus Penstemon goodrichii Penstemon gracilentus Penstemon grinnellii Penstemon hallii Penstemon harringtonii Penstemon havardii Penstemon heterophyllus Penstemon humilis Penstemon immanifestus Penstemon janishiae Penstemon kingii Penstemon laetus Penstemon laevigatus Penstemon lanceolatus Penstemon laricifolius Penstemon leiophyllus Penstemon lentus Penstemon linarioides Penstemon lyallii Penstemon mensarum Penstemon miser Penstemon monoensis Penstemon montanus Penstemon mucronatus Penstemon nanus Penstemon navajoa Penstemon neotericus Penstemon nudiflorus Penstemon osterhoutii Penstemon ovatus Penstemon pahutensis Penstemon papillatus Penstemon parvulus Penstemon patens Penstemon paysoniorum Penstemon peckii Penstemon perpulcher Penstemon petiolatus Penstemon platyphyllus Penstemon pratensis Penstemon pseudoputus Penstemon pudicus Penstemon purpusii Penstemon putus Penstemon rattanii Penstemon richardsonii Penstemon rupicola Penstemon scapoides Penstemon scariosus Penstemon seorsus Penstemon smallii Penstemon spatulatus Penstemon spectabilis Penstemon stephensii Penstemon subglaber Penstemon subserratus Penstemon tenuiflorus Penstemon teucrioides Penstemon thurberi Penstemon tidestromii Penstemon triflorus Penstemon uintahensis Penstemon venustus Penstemon wardii Penstemon watsonii Penstemon wilcoxii Penstemon wrightii Penstemon virgatus Penstemon hesperius Penstemon × parishii Penstemon duchesnensis Penstemon pinorum Penstemon sudans Penstemon distans Penstemon compactus Penstemon albifluvis Penstemon roezlii Penstemon bradburyi Penstemon perfoliatus Penstemon absarokensis Penstemon flowersii Penstemon hidalgensis Penstemon laevigatus Penstemon eximius Penstemon hartwegii Penstemon isophyllus Penstemon roseus Penstemon tenuifolius Penstemon atropurpureus Penstemon rotundifolius Penstemon potosinus Penstemon jaliscensis Penstemon bolanus Penstemon cedrosensis Penstemon galloensis Penstemon leonensis Penstemon miniatus Penstemon mohinoranus Penstemon occiduus Penstemon tepicensis Penstemon multiflorus Penstemon dugesii Penstemon reidmoranii Penstemon salmonensis Penstemon bolanius
Apentostera Dasanthera Elmigera Leiostemon Lepteiris Bartramia
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024