CCDBAngiospermsPlantaginaceaePenstemon

168 species in "Penstemon" :

Taxon name Status Median (n)
Penstemon alamosensis Pennell & G. T. Nisbet Accepted 8
Penstemon albertinus Greene Accepted 8
Penstemon albidus Nutt. Accepted 8
Penstemon albomarginatus M. E. Jones Accepted 8
Penstemon alpinus Torr. Accepted 8
Penstemon ambiguus Torr. Accepted 8
Penstemon apateticus Straw Accepted 8
Penstemon arenarius Greene Accepted 8
Penstemon arkansanus Pennell Accepted 8
Penstemon attenuatus Douglas ex Lindl. Accepted 24
Penstemon attenuatus var. militaris (Greene) Cronquist Accepted 16
Penstemon auriberbis Pennell Accepted 8
Penstemon azureus Benth. Accepted 16
Penstemon barbatus (Cav.) Roth Accepted 8
Penstemon barbatus subsp. torreyi (Benth.) D. D. Keck Accepted 8
Penstemon barbatus subsp. trichander (A. Gray) D. D. Keck Accepted 8
Penstemon barrettiae A. Gray Accepted 8
Penstemon brandegeei (Porter) Rydb. Accepted 8
Penstemon bridgesii A. Gray Accepted 21
Penstemon buckleyi Pennell Accepted 8
Penstemon caespitosus var. desertipicti (A. Nelson) N. H. Holmgren Accepted 16
Penstemon calycosus Small Accepted 48
Penstemon campanulatus (Cav.) Willd. Accepted 8
Penstemon cardinalis Wooton & Standl. Accepted 8
Penstemon cardwellii Howell Accepted 8
Penstemon cinicola D. D. Keck Accepted 16
Penstemon cobaea Nutt. Accepted 8
Penstemon compactus (D. D. Keck) Crosswh. Accepted 8
Penstemon confertus Douglas ex Lindl. Accepted 16
Penstemon confusus M. E. Jones Accepted 8
Penstemon cyananthus Hook. Accepted 8
Penstemon dasyphyllus A. Gray Accepted 8
Penstemon davidsonii Greene Accepted 8
Penstemon degeneri Crosswh. Accepted 8
Penstemon deustus Douglas ex Lindl. Accepted 8
Penstemon digitalis Nutt. ex Sims Accepted 48
Penstemon dissectus Elliott Accepted 8
Penstemon eatonii A. Gray Accepted 8
Penstemon eatonii subsp. exsertus (A. Nelson) D. D. Keck Accepted 8
Penstemon ellipticus J. M. Coult. & Fisher Accepted 8
Penstemon euglaucus English Accepted 24
Penstemon eximius D. D. Keck Accepted 8
Penstemon fasciculatus A. Gray Accepted 8
Penstemon fendleri Torr. & A. Gray Accepted 8
Penstemon flavescens Pennell Accepted 24
Penstemon fruticosus (Pursh) Greene Accepted 8
Penstemon gairdneri Hook. Accepted 8
Penstemon gentianoides (Kunth) Poir. Accepted 8
Penstemon glaber Pursh Accepted 8
Penstemon globosus (Piper) Pennell & S. Keck & D. Daniels Accepted 16
Penstemon gormanii Greene Accepted 8
Penstemon gracilis Nutt. Accepted 8
Penstemon grandiflorus Nutt. Accepted 8
Penstemon harbourii A. Gray Accepted 8
Penstemon hartwegii Benth. Accepted 8
Penstemon haydenii S. Watson Accepted 8
Penstemon hidalgensis Straw Accepted 8
Penstemon hirsutus (L.) Willd. Accepted 8
Penstemon isophyllus B. L. Rob. Accepted 8
Penstemon jamesii Benth. Accepted 8
Penstemon kunthii G. Don Accepted 8
Penstemon labrosus (A. Gray) Mast. ex Hook. Accepted 8
Penstemon laevigatus Soland. Accepted 48
Penstemon lanceolatus Benth. Accepted 8
Penstemon laxiflorus Pennell Accepted 8
Penstemon leonardii Rydb. Accepted 8
Penstemon leonensis Straw Accepted 8
Penstemon linarioides A. Gray Accepted 8
Penstemon navajoa N. H. Holmgren Accepted 8
Penstemon neotericus D. D. Keck Accepted 32
Penstemon newberryi A. Gray Accepted 8
Penstemon nitidus Douglas ex Benth. Accepted 8
Penstemon oklahomensis Pennell Accepted 8
Penstemon oliganthus Wooton & Standl. Accepted 8
Penstemon ophianthus Pennell Accepted 8
Penstemon ovatus Douglas Accepted 8
Penstemon pachyphyllus var. congestus (M. E. Jones) N. H. Holmgren Accepted 8
Penstemon pahutensis N. H. Holmgren Accepted 8
Penstemon pallidus Small Accepted 8
Penstemon palmeri A. Gray Accepted 8
Penstemon parishii A. Gray Accepted 8
Penstemon peckii Pennell Accepted 8
Penstemon pinifolius Greene Accepted 8
Penstemon platyphyllus Rydb. Accepted 16
Penstemon pratensis Greene Accepted 16
Penstemon procerus Douglas ex Graham Accepted 8
Penstemon pruinosus Douglas ex Lindl. Accepted 8
Penstemon pseudospectabilis M. E. Jones Accepted 8
Penstemon purpusii Brandegee Accepted 8
Penstemon putus A. Nelson Accepted 8
Penstemon radicosus A. Nelson Accepted 8
Penstemon rostriflorus Kellogg Accepted 8
Penstemon rydbergii A. Nelson Accepted 16
Penstemon secundiflorus Benth. Accepted 8
Penstemon serrulatus Menzies ex Sm. Accepted 8
Penstemon shastensis D. D. Keck Accepted 16
Penstemon smallii A. Heller Accepted 8
Penstemon speciosus Douglas ex Lindl. Accepted 8
Penstemon spectabilis Thurb. ex A. Gray Accepted 8
Penstemon strictus Benth. Accepted 8
Penstemon subglaber Rydb. Accepted 8
Penstemon subserratus Pennell Accepted 16
Penstemon subulatus M. E. Jones Accepted 8
Penstemon teucrioides Greene Accepted 8
Penstemon thompsoniae (A. Gray) Rydb. Accepted 8
Penstemon triphyllus Douglas Accepted 8
Penstemon tubaeflorus Nutt. Accepted 16
Penstemon venustus Douglas ex Lindl. Accepted 32
Penstemon virens Pennell ex Rydb. Accepted 8
Penstemon virgatus A. Gray Accepted 8
Penstemon whippleanus A. Gray Accepted 8
Penstemon wilcoxii Rydb. Accepted 8
Penstemon wrightii Hook. Accepted 8
Penstemon cristatus Nutt. Unresolved 8
Penstemon griffinii A. Nelson Unresolved 8
Penstemon inflatus Crosswh. Unresolved 8
Penstemon pseudoparvus Crosswh. Unresolved 8
Penstemon ramaleyi A. Nelson Unresolved 8
Penstemon superbus A. Nelson Unresolved 8
Penstemon nemorosus (Douglas) Trautv. Synonym of Nothochelone nemorosa (Douglas) Straw None
Penstemon frutescens Lamb. Synonym of Pennellianthus frutescens Crosswhite 20
Penstemon alamosensis None Synonym of Penstemon alamosensis Pennell & G. T. Nisbet 8
Penstemon ambiguus Synonym of Penstemon ambiguus Torr. 8
Penstemon clevelandii var. angelicus I. M. Johnst. Synonym of Penstemon angelicus (I. M. Johnst.) Moran 8
Penstemon angustifolius Synonym of Penstemon angustifolius Nutt. ex Pursh 8
Penstemon angustifolius var. angustifolius Synonym of Penstemon angustifolius Nutt. ex Pursh 8
Penstemon angustifolius subsp. caudatus (A. Heller) Rydb. Synonym of Penstemon angustifolius subsp. caudatus (A. Heller) D. D. Keck 8
Penstemon azureus var. azureus Synonym of Penstemon azureus Benth. 16
Penstemon barrettiae Synonym of Penstemon barrettiae A. Gray 8
Penstemon campanulatus subsp. chihuahuensis Straw Synonym of Penstemon campanulatus var. chihuahuensis (Straw) B. L. Turner 8
Penstemon cardinalis Synonym of Penstemon cardinalis Wooton & Standl. 8
Penstemon cinereus subsp. cinereus Synonym of Penstemon cinereus Piper 8
Penstemon cobaea Synonym of Penstemon cobaea Nutt. 8
Penstemon cobaea var. purpureus Pennell Synonym of Penstemon cobaea subsp. purpureus (Pennell) Pennell 8
Penstemon crandallii Synonym of Penstemon crandallii A. Nelson 8
Penstemon glabrescens Pennell Synonym of Penstemon crandallii subsp. glabrescens (Pennell) D. D. Keck 8
Penstemon cyananthus var. cyananthus Synonym of Penstemon cyananthus Hook. 8
Penstemon cyananthus var. subglaber Pennell Synonym of Penstemon cyananthus var. subglaber (A. Gray) N. H. Holmgren 8
Penstemon davidsonii Synonym of Penstemon davidsonii Greene 8
Penstemon deustus var. deustus Synonym of Penstemon deustus Douglas ex Lindl. 8
Penstemon eatonii subsp. eatonii Synonym of Penstemon eatonii A. Gray 8
Penstemon eriantherus var. eriantherus Synonym of Penstemon eriantherus Pursh 8
Penstemon fasciculatus Synonym of Penstemon fasciculatus A. Gray 8
Penstemon floridus var. floridus Synonym of Penstemon floridus Brandegee 8
Penstemon fruticosus var. fruticosus Synonym of Penstemon fruticosus (Pursh) Greene 8
Penstemon glaber var. glaber Synonym of Penstemon glaber Pursh 8
Penstemon gracilis var. gracilis Synonym of Penstemon gracilis Nutt. 8
Penstemon gracilis var. wisconsinensis Pennell Synonym of Penstemon gracilis var. wisconsinensis (Pennell) Fassett 8
Penstemon griffinii None Synonym of Penstemon griffinii A. Nelson 8
Penstemon grinnellii var. grinnellii Synonym of Penstemon grinnellii Eastw. 8
Penstemon humilis subsp. brevifolius None Synonym of Penstemon humilis subsp. brevifolius (A. Gray) D. D. Keck 8
Penstemon inflatus Crosswhite Synonym of Penstemon inflatus Crosswh. 8
Penstemon laetus var. laetus Synonym of Penstemon laetus A. Gray 8
Penstemon linarioides Synonym of Penstemon linarioides A. Gray 8
Penstemon cyananthus subsp. longiflorus Pennell Synonym of Penstemon longiflorus (Pennell) S. L. Clark 8
Penstemon apateticus subsp. townsendianus Straw Synonym of Penstemon miniatus var. townsendianus (Straw) C. C. Freeman 8
Penstemon moffatii Synonym of Penstemon moffatii Eastw. 8
Penstemon nitidus var. nitidus Synonym of Penstemon nitidus Douglas ex Benth. 8
Penstemon palmeri var. palmeri Synonym of Penstemon palmeri A. Gray 8
Penstemon procerus var. procerus Synonym of Penstemon procerus Douglas ex Graham 8
Penstemon procerus var. tolmiei (Hook.) Cronq. Synonym of Penstemon procerus var. tolmiei (Hook.) Cronquist 8
Penstemon tolmiei Hook. Synonym of Penstemon procerus var. tolmiei (Hook.) Cronquist 8
Penstemon virgatus subsp. pseudoputus Crosswh. Synonym of Penstemon pseudoputus (Crosswh.) N. H. Holmgren 8
Penstemon clutei A. Nelson Synonym of Penstemon pseudospectabilis subsp. clutei (A. Nelson) D. D. Keck 8
Penstemon pseudospectabilis subsp. connatifolius (Nelson) D. D. Keck Synonym of Penstemon pseudospectabilis subsp. connatifolius (A. Nelson) D. D. Keck 8
Penstemon aggregatus Pennell Synonym of Penstemon rydbergii var. aggregatus (Pennell) N. H. Holmgren 16
Penstemon strictus Synonym of Penstemon strictus Benth. 8
Penstemon tubiflorus Synonym of Penstemon tubiflorus Nutt. 16