The Plant List — A working list for all plant species

⚠ Version 1.1 of The Plant List has been superseded and should no longer be used.

The new version is available at http://www.worldfloraonline.org. The new version is enhanced, using more data sources including Taxonomic Expert Networks and will be more frequently updated.

Penstemon

The genus Penstemon is in the family Plantaginaceae in the major group Angiosperms (Flowering plants).

Statistics are at the end of the page.

Species in Penstemon

See "Status", "Confidence level", "Source" for definitions.

Name Status Confi­dence level Source Date supplied Infra. rec.
Penstemon abietinus Pennell Accepted M TRO 2012-04-18
Penstemon aboriginum M.E.Jones Unresolved L WCSP (in review) 2012-03-26
Penstemon absarokensis Evert Accepted M TRO 2012-04-18
Penstemon acaulis L.O. Williams Accepted M TRO 2012-04-18
Penstemon acuminatus Douglas ex Lindl. Accepted M TRO 2012-04-18
Penstemon adamsianus Howell Unresolved L WCSP (in review) 2012-03-26
Penstemon alamosensis Pennell & G.T. Nisbet Accepted M TRO 2012-04-18
Penstemon albertinus Greene Accepted M TRO 2012-04-18
Penstemon albidus Nutt. Accepted M TRO 2012-04-18
Penstemon albifloris England Unresolved L WCSP (in review) 2012-03-26
Penstemon albifluvis England Accepted M TRO 2012-04-18
Penstemon albomarginatus M.E. Jones Accepted M TRO 2012-04-18
Penstemon albrightii A.Nelson & J.F.Macbr. Unresolved L WCSP (in review) 2012-03-26
Penstemon albrightii A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon alluviorum Pennell Accepted M TRO 2012-04-18
Penstemon alpinus Torr. Accepted M TRO 2012-04-18 2
Penstemon alsinoides Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon amabilis G.N.Jones Unresolved L WCSP (in review) 2012-03-26
Penstemon ambiguus Torr. Accepted M TRO 2012-04-18
Penstemon ammophilus N.H. Holmgren & L.M. Shultz Accepted M TRO 2012-04-18
Penstemon amoenus Kunze Unresolved L WCSP (in review) 2012-03-26
Penstemon amphorellae Crosswh. Accepted M TRO 2012-04-18
Penstemon amplexicaulis Moench Unresolved L WCSP (in review) 2012-03-26
Penstemon amplexicaulis Buckley Unresolved L WCSP (in review) 2012-03-26
Penstemon amplus A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon angelicus (I.M. Johnst.) Moran Accepted M TRO 2012-04-18
Penstemon anguineus Eastw. Accepted M TRO 2012-04-18
Penstemon angustifolius Nutt. ex Pursh Accepted M TRO 2012-04-18 2
Penstemon antirrhinoides Benth. Accepted M TRO 2012-04-18
Penstemon apateticus Straw Accepted M TRO 2012-04-18
Penstemon arenarius Greene Accepted M TRO 2012-04-18
Penstemon arenicola A. Nelson Accepted M TRO 2012-04-18
Penstemon argutus Paxton Unresolved L WCSP (in review) 2012-03-26
Penstemon aridus Rydb. Accepted M TRO 2012-04-18
Penstemon arizonicus A.Heller Unresolved L WCSP (in review) 2012-03-26
Penstemon arkansanus Pennell Accepted M TRO 2012-04-18
Penstemon assurgens D.D.Keck Unresolved L WCSP (in review) 2012-03-26
Penstemon atropurpureus (Sweet) G. Don Accepted L TRO 2012-04-18
Penstemon attenuatus Douglas ex Lindl. Accepted M TRO 2012-04-18 3
Penstemon atwoodii S.L. Welsh Accepted M TRO 2012-04-18
Penstemon auriberbis Pennell Accepted M TRO 2012-04-18
Penstemon auricomus A.Nelson ex Rydb. Unresolved L WCSP (in review) 2012-03-26
Penstemon auricomus A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon australis Small Accepted M TRO 2012-04-18
Penstemon azureus Benth. Accepted M TRO 2012-04-18 1
Penstemon baccharifolius Hook. Accepted M TRO 2012-04-18 1
Penstemon bachimbensis Straw Unresolved L TRO 2012-04-18
Penstemon bakeri Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon barbatus (Cav.) Roth Accepted L TRO 2012-04-18 2
Penstemon barnebyi N.H. Holmgren Accepted M TRO 2012-04-18
Penstemon barrettiae A. Gray Accepted M TRO 2012-04-18
Penstemon bicolor (Brandegee) Clokey & D.D. Keck Accepted M TRO 2012-04-18
Penstemon bolanus Straw Accepted M TRO 2012-04-18
Penstemon bracteatus D.D. Keck Accepted M TRO 2012-04-18
Penstemon bradburyi Pursh Accepted M TRO 2012-04-18
Penstemon brandegeei (Porter) Rydb. Accepted M WCSP (in review) 2012-03-26
Penstemon brevibarbatus Crosswhite Accepted M TRO 2012-04-18
Penstemon breviculus (D.D. Keck) G.T. Nisbet & R.C. Jacks. Accepted M TRO 2012-04-18
Penstemon brevilabris A.Gray Unresolved L WCSP (in review) 2012-03-26
Penstemon brevis A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon brevisepalus Pennell Accepted M WCSP (in review) 2012-03-26
Penstemon bridgesii A. Gray Accepted M TRO 2012-04-18
Penstemon brittoniorum Pennell Accepted M TRO 2012-04-18
Penstemon brittonoruro Pennell ex Peattie Unresolved L WCSP (in review) 2012-03-26
Penstemon × bryantiae D.D. Keck Accepted M TRO 2012-04-18
Penstemon buckleyi Pennell Accepted M TRO 2012-04-18
Penstemon cacuminis Pennell Unresolved L WCSP (in review) 2012-03-26
Penstemon caelestinus Pennell Unresolved L WCSP (in review) 2012-03-26
Penstemon caeruleus Bailly Unresolved L WCSP (in review) 2012-03-26
Penstemon caesius A. Gray Accepted M TRO 2012-04-18
Penstemon caespitosus Nutt. ex A. Gray Accepted M TRO 2012-04-18 2
Penstemon calcareus Brandegee Accepted M TRO 2012-04-18
Penstemon californicus (Munz & I.M. Johnst.) D.D. Keck Accepted M TRO 2012-04-18
Penstemon calycosus Small Accepted M TRO 2012-04-18
Penstemon campanulatus (Cav.) Willd. Accepted M WCSP (in review) 2012-03-26 1
Penstemon canescens (Britton) Britton Accepted M TRO 2012-04-18 1
Penstemon canosobarbatum Kellogg Unresolved L TRO 2012-04-18
Penstemon cardinalis Wooton & Standl. Accepted M TRO 2012-04-18 1
Penstemon cardwellii Howell Accepted M TRO 2012-04-18
Penstemon carinatus Kellogg Unresolved L WCSP (in review) 2012-03-26
Penstemon carnosus Pennell Accepted M TRO 2012-04-18
Penstemon caryi Pennell Accepted M TRO 2012-04-18
Penstemon cedrosensis Krautter Accepted M TRO 2012-04-18
Penstemon centranthifolius (Benth.) Benth. Accepted L TRO 2012-04-18
Penstemon cephalanthus Pennell Unresolved L WCSP (in review) 2012-03-26
Penstemon cerrosensis Kellogg Accepted M TRO 2012-04-18
Penstemon chionophilus Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon chionophilus Greene ex C.F.Baker Unresolved L WCSP (in review) 2012-03-26
Penstemon cinerascens Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon cinerascens Greene ex C.F.Baker Unresolved L WCSP (in review) 2012-03-26
Penstemon cinereus Piper Accepted M TRO 2012-04-18
Penstemon cinicola D.D. Keck Accepted M TRO 2012-04-18
Penstemon cleburnei M.E. Jones Accepted M TRO 2012-04-18
Penstemon clevelandii A. Gray Accepted M TRO 2012-04-18 1
Penstemon cobaea Nutt. Accepted M TRO 2012-04-18 1
Penstemon coccinatus Rydb. Unresolved L WCSP (in review) 2012-03-26
Penstemon coccineus Engelm. Unresolved L WCSP (in review) 2012-03-26
Penstemon coeruleus Torr. Unresolved L WCSP (in review) 2012-03-26
Penstemon coeruleus Nutt. Unresolved L WCSP (in review) 2012-03-26
Penstemon collinus A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon colvillii Huber Unresolved L WCSP (in review) 2012-03-26
Penstemon comarrhenus A. Gray Accepted M TRO 2012-04-18
Penstemon compactus (D.D. Keck) Crosswh. Accepted M TRO 2012-04-18
Penstemon concinnus D.D. Keck Accepted M TRO 2012-04-18
Penstemon confertus Douglas ex Lindl. Accepted M TRO 2012-04-18 2
Penstemon confusus M.E. Jones Accepted M TRO 2012-04-18
Penstemon connatus Deppe Unresolved L WCSP (in review) 2012-03-26
Penstemon cordatus M.Martens & Galeotti Unresolved L WCSP (in review) 2012-03-26
Penstemon cordatus Walp. Unresolved L WCSP (in review) 2012-03-26
Penstemon cordifolius Benth. Accepted M TRO 2012-04-18
Penstemon corymbosus Benth. Accepted M TRO 2012-04-18
Penstemon crandallii A. Nelson Accepted M TRO 2012-04-18 3
Penstemon crassifolius Lindl. Unresolved L WCSP (in review) 2012-03-26
Penstemon crassifolius Shuttlew. ex Benth. Unresolved L WCSP (in review) 2012-03-26
Penstemon crassulus Wooton & Standl. Unresolved L WCSP (in review) 2012-03-26
Penstemon × crideri A. Nelson Accepted M TRO 2012-04-18
Penstemon cristatus Nutt. Unresolved L WCSP (in review) 2012-03-26
Penstemon cusickii A. Gray Accepted M TRO 2012-04-18
Penstemon cyananthus Hook. Accepted M TRO 2012-04-18 1
Penstemon cyaneus Pennell Accepted M TRO 2012-04-18
Penstemon cyanocaulis Payson Accepted M TRO 2012-04-18
Penstemon cyathophorus Rydb. Accepted M TRO 2012-04-18
Penstemon dasyphyllus A. Gray Accepted M TRO 2012-04-18
Penstemon davidsonii Greene Accepted M TRO 2012-04-18
Penstemon deamii Pennell Accepted M TRO 2012-04-18
Penstemon deaveri Crosswh. Accepted M TRO 2012-04-18
Penstemon debilis O'Kane & J.L. Anderson Accepted M TRO 2012-04-18
Penstemon decurvus Pennell ex Crosswh. Unresolved L WCSP (in review) 2012-03-26
Penstemon degeneri Crosswh. Accepted M TRO 2012-04-18
Penstemon depressus Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon deserticola Piper Unresolved L WCSP (in review) 2012-03-26
Penstemon desertorum M.E.Jones Unresolved L WCSP (in review) 2012-03-26
Penstemon deustus Douglas ex Lindl. Accepted M TRO 2012-04-18 1
Penstemon diffusus Douglas Unresolved L WCSP (in review) 2012-03-26
Penstemon digitalis Nutt. ex Sims Accepted M TRO 2012-04-18
Penstemon dimorphus Kuntze Unresolved L WCSP (in review) 2012-03-26
Penstemon diphyllus Rydb. Accepted M TRO 2012-04-18
Penstemon discolor D.D. Keck Accepted M TRO 2012-04-18
Penstemon dissectus Elliott Accepted M TRO 2012-04-18
Penstemon distans N.H. Holmgren Accepted M TRO 2012-04-18
Penstemon divergens M.E.Jones Unresolved L WCSP (in review) 2012-03-26
Penstemon dolius M.E. Jones ex Pennell Accepted M TRO 2012-04-18
Penstemon douglasii Hook. Unresolved L WCSP (in review) 2012-03-26
Penstemon × dubius Davidson Unresolved L TRO 2012-04-18
Penstemon duchesnensis (N.H. Holmgren) Neese Accepted M TRO 2012-04-18
Penstemon eastwoodiae A.Heller Unresolved L WCSP (in review) 2012-03-26
Penstemon eatonii A. Gray Accepted M TRO 2012-04-18 1
Penstemon × edithae English Unresolved L WCSP (in review) 2012-03-26
Penstemon elegans Poir. Unresolved L WCSP (in review) 2012-03-26
Penstemon elegantulus Pennell Accepted M TRO 2012-04-18
Penstemon ellipticus J.M. Coult. & Fisher Accepted M TRO 2012-04-18
Penstemon erianthera Fraser ex Nutt. Unresolved L WCSP (in review) 2012-03-26
Penstemon eriantherus Pursh Accepted M TRO 2012-04-18 2
Penstemon erosus Rydb. Unresolved L WCSP (in review) 2012-03-26
Penstemon euglaucus English Accepted M TRO 2012-04-18
Penstemon eximius D.D. Keck Accepted M TRO 2012-04-18
Penstemon fasciculatus A. Gray Accepted M TRO 2012-04-18
Penstemon fendleri Torr. & A. Gray Accepted M TRO 2012-04-18
Penstemon filifolius Nutt. ex Benth. Unresolved L WCSP (in review) 2012-03-26
Penstemon filiformis (D.D. Keck) D.D. Keck Accepted M TRO 2012-04-18
Penstemon filisepalis Straw Accepted M TRO 2012-04-18
Penstemon flavescens Pennell Accepted M TRO 2012-04-18
Penstemon flaviflorus M.E.Jones Unresolved L WCSP (in review) 2012-03-26
Penstemon floribundus Danley Accepted M TRO 2012-04-18
Penstemon floridus Brandegee Accepted M TRO 2012-04-18 1
Penstemon flowersii Neese & S.L. Welsh Accepted M TRO 2012-04-18
Penstemon franklinii S.L.Welsh Unresolved L WCSP (in review) 2012-03-26
Penstemon fremontii Torr. & A. Gray Accepted M TRO 2012-04-18
Penstemon fruticiformis Coville Accepted M TRO 2012-04-18
Penstemon fruticosus (Pursh) Greene Accepted L TRO 2012-04-18 1
Penstemon gairdneri Hook. Accepted M TRO 2012-04-18 2
Penstemon galloensis G.L. Nesom Accepted M TRO 2012-04-18
Penstemon gentianoides (Kunth) Poir. Accepted M WCSP (in review) 2012-03-26
Penstemon gentryi Standl. Accepted M TRO 2012-04-18
Penstemon gibbensii Dorn Accepted M TRO 2012-04-18
Penstemon giganteus C.Morren Unresolved L WCSP (in review) 2012-03-26
Penstemon glaber Pursh Accepted M TRO 2012-04-18
Penstemon glaberrimus Bevis ex W.H.Baxter Unresolved L WCSP (in review) 2012-03-26
Penstemon glandulosus Douglas ex Lindl. Accepted M TRO 2012-04-18
Penstemon glastifolius Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon glaucifolius A.Gray Unresolved L WCSP (in review) 2012-03-26
Penstemon glaucinus Pennell Accepted M TRO 2012-04-18
Penstemon glaucophyllus Scheele Unresolved L WCSP (in review) 2012-03-26
Penstemon glaucus Graham Unresolved L WCSP (in review) 2012-03-26
Penstemon globosus (Piper) Pennell & see Keck, David Daniels Accepted M TRO 2012-04-18
Penstemon gloxinioides hort. Unresolved L TRO 2012-04-18
Penstemon goodrichii N.H. Holmgren Accepted M TRO 2012-04-18
Penstemon gordonianus A.Gray Unresolved L WCSP (in review) 2012-03-26
Penstemon gordonii Hook. Unresolved L WCSP (in review) 2012-03-26
Penstemon gormanii Greene Accepted M WCSP (in review) 2012-03-26
Penstemon gracilentus A. Gray Accepted M TRO 2012-04-18
Penstemon gracilis Nutt. Accepted M WCSP (in review) 2012-03-26 1
Penstemon grahamii D.D. Keck ex E.H. Graham Accepted M TRO 2012-04-18
Penstemon grandiflorus Nutt. Accepted M WCSP (in review) 2012-03-26
Penstemon griffinii A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon grinnellii Eastw. Accepted M TRO 2012-04-18 1
Penstemon guadalupensis A. Heller Accepted M TRO 2012-04-18 1
Penstemon hallii A. Gray Accepted M TRO 2012-04-18
Penstemon hansonii A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon harbourii A. Gray Accepted M TRO 2012-04-18
Penstemon harringtonii Penland Accepted M TRO 2012-04-18
Penstemon hartwegii Benth. Accepted M TRO 2012-04-18
Penstemon havardii A. Gray Accepted M TRO 2012-04-18
Penstemon haydenii S. Watson Accepted M TRO 2012-04-18
Penstemon helleri Small Accepted M TRO 2012-04-18
Penstemon henricksonii Straw Accepted M TRO 2012-04-18
Penstemon hesperius M. Peck Accepted M TRO 2012-04-18
Penstemon heterodoxus A. Gray Accepted M TRO 2012-04-18 1
Penstemon heterophyllus Lindl. Accepted M TRO 2012-04-18 1
Penstemon hians I.M.Johnst. Unresolved L WCSP (in review) 2012-03-26
Penstemon hidalgensis Straw Accepted M TRO 2012-04-18
Penstemon higginsii (Neese) N.H. Holmgren & N.D. Atwood Accepted M TRO 2012-04-18
Penstemon hintonii Straw Unresolved L WCSP (in review) 2012-03-26
Penstemon hirsutus (L.) Willd. Accepted L TRO 2012-04-18
Penstemon holmgrenii S.L.Clark Unresolved L WCSP (in review) 2012-03-26
Penstemon humboldtii G.Don Unresolved L WCSP (in review) 2012-03-26
Penstemon humilis Nutt. ex A. Gray Accepted M TRO 2012-04-18 2
Penstemon × hybridus Voss Unresolved L WCSP (in review) 2012-03-26
Penstemon idahoensis N.D.Atwood & S.L.Welsh Unresolved L WCSP (in review) 2012-03-26
Penstemon ilicifolius Nutt. ex Benth. Unresolved L WCSP (in review) 2012-03-26
Penstemon imberbis (Kunth) Trautv. Accepted L TRO 2012-04-18
Penstemon immanifestus N.H. Holmgren Accepted M TRO 2012-04-18
Penstemon incanus (A. Gray) Tidestr. Accepted M TRO 2012-04-18
Penstemon incertus Brandegee Accepted M TRO 2012-04-18
Penstemon inermis Poir. Unresolved L WCSP (in review) 2012-03-26
Penstemon inflatus Crosswh. Unresolved L WCSP (in review) 2012-03-26
Penstemon interruptus Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon intonsus A.Heller Unresolved L WCSP (in review) 2012-03-26
Penstemon isophyllus B.L. Rob. Accepted M TRO 2012-04-18
Penstemon jaffrayanus Hook. Unresolved L WCSP (in review) 2012-03-26
Penstemon jaliscensis B.L. Rob. Accepted M TRO 2012-04-18
Penstemon jamesii Benth. Accepted M TRO 2012-04-18
Penstemon janishiae N.H. Holmgren Accepted M TRO 2012-04-18
Penstemon jeffreyanus A.Murray bis Unresolved L WCSP (in review) 2012-03-26
Penstemon jonesii Pennell Accepted M TRO 2012-04-18
Penstemon keckii Clokey Accepted M TRO 2012-04-18
Penstemon kingii S. Watson Accepted M TRO 2012-04-18
Penstemon kunthii G. Don Accepted M TRO 2012-04-18
Penstemon labrosus (A. Gray) Mast. ex Hook. f. Accepted M TRO 2012-04-18
Penstemon lacerellus Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon laetus A. Gray Accepted M TRO 2012-04-18
Penstemon laevigatus Soland. Accepted M TRO 2012-04-18 1
Penstemon laevigatus Aiton Unresolved L TRO 2012-04-18
Penstemon laevis Pennell Accepted M TRO 2012-04-18
Penstemon lanceolatus Benth. Accepted M TRO 2012-04-18
Penstemon laricifolius Hook. & Arn. Accepted M TRO 2012-04-18 1
Penstemon lassenianus Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon latifolius Hoffmanns. Unresolved L WCSP (in review) 2012-03-26
Penstemon latifolius Krautter Unresolved L WCSP (in review) 2012-03-26
Penstemon latiusculus Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon laxiflorus Pennell Accepted M TRO 2012-04-18
Penstemon laxus A. Nelson Accepted M TRO 2012-04-18
Penstemon leiophyllus Pennell Accepted M TRO 2012-04-18 1
Penstemon lemhiensis (D.D. Keck) D.D. Keck & Cronquist Accepted M TRO 2012-04-18
Penstemon lemmonii A. Gray Accepted M TRO 2012-04-18
Penstemon lentus Pennell Accepted M TRO 2012-04-18
Penstemon leonardii Rydb. Accepted M TRO 2012-04-18
Penstemon leonensis Straw Accepted M TRO 2012-04-18
Penstemon leptanthus Pennell Unresolved L WCSP (in review) 2012-03-26
Penstemon leptophyllus Rydb. Unresolved L WCSP (in review) 2012-03-26
Penstemon leucanthus Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon lewisii Benth. Unresolved L WCSP (in review) 2012-03-26
Penstemon linarioides A. Gray Accepted M TRO 2012-04-18 2
Penstemon linearifolius J.M.Coult. & Fisher Unresolved L WCSP (in review) 2012-03-26
Penstemon lineolatus Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon lobbii Lem. Unresolved L WCSP (in review) 2012-03-26
Penstemon longiflorus (Pennell) S.L. Clark Accepted M TRO 2012-04-18
Penstemon longifolius Scheele Unresolved L WCSP (in review) 2012-03-26
Penstemon luteus G.L. Nesom Accepted M TRO 2012-04-18
Penstemon lyallii A. Gray Accepted M TRO 2012-04-18
Penstemon macbridei A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon × macewanii Paxton Unresolved L WCSP (in review) 2012-03-26
Penstemon mackayanus Knowles & Westc. Unresolved L WCSP (in review) 2012-03-26
Penstemon maguirei Crosswh. Unresolved L WCSP (in review) 2012-03-26
Penstemon marcusii (D.D. Keck) N.H. Holmgren Accepted M TRO 2012-04-18
Penstemon mensarum Pennell Accepted M TRO 2012-04-18
Penstemon menziesii Hook. Unresolved L WCSP (in review) 2012-03-26 1
Penstemon metcalfei Wooton & Standl. Unresolved L WCSP (in review) 2012-03-26
Penstemon micranthus Nutt. Unresolved L WCSP (in review) 2012-03-26
Penstemon micranthus Torr. Unresolved L WCSP (in review) 2012-03-26
Penstemon miniatus Lindl. Accepted M TRO 2012-04-18 1
Penstemon minidokanus A.Nelson & J.F.Macbr. Unresolved L WCSP (in review) 2012-03-26
Penstemon minor (A. Gray) D.D. Keck Accepted M TRO 2012-04-18
Penstemon minutifolius Straw Accepted M TRO 2012-04-18
Penstemon × mirus A. Nelson Accepted M TRO 2012-04-18
Penstemon miser A. Gray Accepted M TRO 2012-04-18
Penstemon moffatii Eastw. Accepted M TRO 2012-04-18 1
Penstemon mohinoranus Straw Accepted M TRO 2012-04-18
Penstemon monoensis A. Heller Accepted M TRO 2012-04-18
Penstemon montanus Greene Accepted M TRO 2012-04-18
Penstemon moriahensis N.H. Holmgren Accepted M TRO 2012-04-18
Penstemon moronensis Crosswh. Unresolved L WCSP (in review) 2012-03-26
Penstemon mucronatus N.H. Holmgren Accepted M TRO 2012-04-18
Penstemon multicaulis Pennell Accepted M TRO 2012-04-18
Penstemon multiflorus (Benth.) Chapm. ex Small Accepted M TRO 2012-04-18
Penstemon munzii I.M.Johnst. Unresolved L WCSP (in review) 2012-03-26
Penstemon murrayanus Hook. Accepted M TRO 2012-04-18
Penstemon nanus D.D. Keck Accepted M TRO 2012-04-18
Penstemon navajoa N.H. Holmgren Accepted M TRO 2012-04-18
Penstemon nelsoniae D.D.Keck & Thomps. Unresolved L WCSP (in review) 2012-03-26
Penstemon neomexicanus Wooton & Standl. Accepted M TRO 2012-04-18
Penstemon neotericus D.D. Keck Accepted M TRO 2012-04-18
Penstemon newberryi A. Gray Accepted M TRO 2012-04-18 2
Penstemon nitidus Douglas ex Benth. Accepted M WCSP (in review) 2012-03-26
Penstemon nudiflorus A. Gray Accepted M TRO 2012-04-18
Penstemon nuttallii L.C.Beck Unresolved L WCSP (in review) 2012-03-26
Penstemon nyeensis Crosswh. Unresolved L WCSP (in review) 2012-03-26
Penstemon occiduus Straw Accepted M TRO 2012-04-18
Penstemon oklahomensis Pennell Accepted M WCSP (in review) 2012-03-26
Penstemon oliganthus Wooton & Standl. Accepted M TRO 2012-04-18
Penstemon ophianthus Pennell Accepted M TRO 2012-04-18
Penstemon oregonensis A.Murray bis Unresolved L WCSP (in review) 2012-03-26
Penstemon oreocharis Greene Accepted M TRO 2012-04-18
Penstemon oreophilus Rydb. Unresolved L WCSP (in review) 2012-03-26
Penstemon osterhoutii Pennell Accepted M TRO 2012-04-18
Penstemon ovatus Douglas Accepted M TRO 2012-04-18
Penstemon owenii A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon pachyphyllus A. Gray ex Rydb. Accepted M TRO 2012-04-18 1
Penstemon pahutensis N.H. Holmgren Accepted M TRO 2012-04-18
Penstemon pallescens Osterh. Unresolved L WCSP (in review) 2012-03-26
Penstemon pallidus Small Accepted M TRO 2012-04-18
Penstemon palmeri A. Gray Accepted M TRO 2012-04-18 1
Penstemon pandus (A. Nelson & J.F. Macbr.) A. Nelson & J.F. Macbr. Accepted M TRO 2012-04-18
Penstemon paniculatus Howell Unresolved L WCSP (in review) 2012-03-26
Penstemon papillatus J.T. Howell Accepted M TRO 2012-04-18
Penstemon parishii A. Gray Accepted M TRO 2012-04-18
Penstemon × parishii A. Gray Unresolved L TRO 2012-04-18
Penstemon parryi (A. Gray) A. Gray Accepted M TRO 2012-04-18
Penstemon parviflorus Pennell Accepted M WCSP (in review) 2012-03-26
Penstemon parvulus (A. Gray) Krautter Accepted M TRO 2012-04-18
Penstemon parvus Pennell Accepted M TRO 2012-04-18
Penstemon patens (M.E. Jones) N.H. Holmgren Accepted M TRO 2012-04-18
Penstemon patricus N.H. Holmgren Accepted M TRO 2012-04-18
Penstemon pauciflorus Buckley Accepted M TRO 2012-04-18
Penstemon payettensis A. Nelson & J.F. Macbr. Accepted M TRO 2012-04-18
Penstemon paysoniorum D.D. Keck Accepted M TRO 2012-04-18
Penstemon peckii Pennell Accepted M TRO 2012-04-18
Penstemon peduncularis Nutt. ex Benth. Unresolved L WCSP (in review) 2012-03-26
Penstemon × peirsonii Munz & I.M. Johnst. Unresolved L TRO 2012-04-18
Penstemon penlandii W.A. Weber Accepted M TRO 2012-04-18
Penstemon pennellianus D.D. Keck Accepted M TRO 2012-04-18
Penstemon pentstemon (L.) MacMill. Unresolved L WCSP (in review) 2012-03-26
Penstemon perfoliatus Brongn. Accepted M TRO 2012-04-18
Penstemon perpulcher A. Nelson Accepted M TRO 2012-04-18
Penstemon personatus D.D. Keck Accepted M TRO 2012-04-18
Penstemon petiolatus Brandegee Accepted M TRO 2012-04-18
Penstemon phlogifolius Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon pickettii H.St.John Unresolved L WCSP (in review) 2012-03-26
Penstemon piliferus A.Heller Unresolved L WCSP (in review) 2012-03-26
Penstemon pilosigulatus A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon pinetorum Piper Unresolved L WCSP (in review) 2012-03-26
Penstemon pinifolius Greene Accepted M TRO 2012-04-18
Penstemon pinorum L. Shultz & J. Shultz Accepted M TRO 2012-04-18
Penstemon plagapineus Straw Accepted M TRO 2012-04-18
Penstemon platyphyllus Rydb. Accepted M TRO 2012-04-18
Penstemon plummerae Abrams Unresolved L WCSP (in review) 2012-03-26
Penstemon pononii auct. Unresolved L WCSP (in review) 2012-03-26
Penstemon potosinus Straw Accepted M TRO 2012-04-18
Penstemon pratensis Greene Accepted M TRO 2012-04-18
Penstemon pringlei S.Watson Unresolved L WCSP (in review) 2012-03-26
Penstemon procerus Douglas ex Graham Accepted M TRO 2012-04-18 5
Penstemon productus Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon propinquus Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon pruinosus Douglas ex Lindl. Accepted M TRO 2012-04-18
Penstemon pseudohumilis M.E.Jones Unresolved L WCSP (in review) 2012-03-26
Penstemon pseudohumilis Rydb. Unresolved L WCSP (in review) 2012-03-26
Penstemon pseudoparvus Crosswh. Unresolved L WCSP (in review) 2012-03-26
Penstemon pseudoputus (Crosswh.) N.H. Holmgren Accepted M TRO 2012-04-18
Penstemon pseudospectabilis M.E. Jones Accepted M TRO 2012-04-18 2
Penstemon puberulentus Rydb. Unresolved L WCSP (in review) 2012-03-26
Penstemon puberulus Wooton & Standl. Unresolved L WCSP (in review) 2012-03-26
Penstemon puberulus M.E.Jones Unresolved L WCSP (in review) 2012-03-26
Penstemon pubescens Aiton Unresolved L WCSP (in review) 2012-03-26
Penstemon pudicus Reveal & Beatley Accepted M TRO 2012-04-18
Penstemon pumilus Nutt. Accepted M TRO 2012-04-18
Penstemon punctatus Brandegee Accepted M TRO 2012-04-18
Penstemon puniceus Lilja Unresolved L WCSP (in review) 2012-03-26
Penstemon puniceus A.Gray Unresolved L WCSP (in review) 2012-03-26
Penstemon purpusii Brandegee Accepted M TRO 2012-04-18
Penstemon putus A. Nelson Accepted M TRO 2012-04-18
Penstemon radicosus A. Nelson Accepted M TRO 2012-04-18
Penstemon ramaleyi A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon ramosus Crosswh. Unresolved L WCSP (in review) 2012-03-26
Penstemon rattanii A. Gray Accepted M TRO 2012-04-18 1
Penstemon recurvatus A.Heller Unresolved L WCSP (in review) 2012-03-26
Penstemon retrorsoides Crosswh. Unresolved L TRO 2012-04-18
Penstemon retrorsus Payson ex Pennell Accepted M TRO 2012-04-18
Penstemon rex A.Nelson & J.F.Macbr. Unresolved L WCSP (in review) 2012-03-26
Penstemon rhizomatosus N.H.Holmgren Unresolved L WCSP (in review) 2012-03-26
Penstemon richardsonii Douglas ex Lindl. Accepted M TRO 2012-04-18
Penstemon rivularis Douglas ex Trautv. Unresolved L WCSP (in review) 2012-03-26
Penstemon roezlii Regel Accepted M TRO 2012-04-18
Penstemon roseus (Cerv. ex Sweet) G. Don Accepted L TRO 2012-04-18
Penstemon rostriflorus Kellogg Accepted M TRO 2012-04-18
Penstemon rotundifolius A. Gray Accepted M TRO 2012-04-18
Penstemon rubescens A.Gray Unresolved L WCSP (in review) 2012-03-26
Penstemon rubicundus D.D. Keck Accepted M TRO 2012-04-18
Penstemon rupicola (Piper) Howell Accepted M TRO 2012-04-18
Penstemon rydbergii A. Nelson Accepted M TRO 2012-04-18 2
Penstemon sagittatus (D.D.Keck) Pennell Unresolved L WCSP (in review) 2012-03-26
Penstemon saltarius Crosswh. Unresolved L WCSP (in review) 2012-03-26
Penstemon saxosorum Pennell Accepted M TRO 2012-04-18
Penstemon scabridus Eastw. Unresolved L WCSP (in review) 2012-03-26
Penstemon scapoides D.D. Keck Accepted M TRO 2012-04-18
Penstemon scariosus Pennell Accepted M TRO 2012-04-18 1
Penstemon schaffneri (Hemsl.) Straw Unresolved L WCSP (in review) 2012-03-26
Penstemon scoparius A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon secundiflorus Benth. Accepted M TRO 2012-04-18
Penstemon seorsus (A. Nelson) D.D. Keck Accepted M TRO 2012-04-18
Penstemon sepalulus A. Nelson Accepted M TRO 2012-04-18
Penstemon serrulatus Menzies ex Sm. Accepted M TRO 2012-04-18
Penstemon shantzii A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon shastensis D.D. Keck Accepted M TRO 2012-04-18
Penstemon shockleyi S.Watson Unresolved L WCSP (in review) 2012-03-26
Penstemon similis A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon smallii A. Heller Accepted M TRO 2012-04-18
Penstemon spathulatus Eastw. ex C.F.Baker Unresolved L WCSP (in review) 2012-03-26
Penstemon spatulatus Pennell Accepted M TRO 2012-04-18
Penstemon speciosus Douglas ex Lindl. Accepted M TRO 2012-04-18 2
Penstemon spectabilis Thurb. ex A. Gray Accepted M TRO 2012-04-18
Penstemon spicatus auct. Unresolved L WCSP (in review) 2012-03-26
Penstemon staticifolius Lindl. Unresolved L WCSP (in review) 2012-03-26
Penstemon stenophyllus A. Gray Accepted M TRO 2012-04-18
Penstemon stenosepalus (A. Gray) Howell Accepted M TRO 2012-04-18
Penstemon stephensii Brandegee Accepted M TRO 2012-04-18
Penstemon strictiformis Rydb. Accepted M TRO 2012-04-18
Penstemon strictus Benth. Accepted M TRO 2012-04-18
Penstemon subglaber Rydb. Accepted M TRO 2012-04-18
Penstemon subserratus Pennell Accepted M TRO 2012-04-18
Penstemon subulatus M.E. Jones Accepted M TRO 2012-04-18
Penstemon sudans M.E. Jones Accepted M TRO 2012-04-18
Penstemon suffrutescens Rydb. Unresolved L WCSP (in review) 2012-03-26
Penstemon suffruticosus Douglas ex Benth. Unresolved L WCSP (in review) 2012-03-26
Penstemon superbus A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon tenellus Kellogg Unresolved L WCSP (in review) 2012-03-26
Penstemon tenuiflorus Pennell Accepted M TRO 2012-04-18
Penstemon tenuifolius Benth. Accepted M TRO 2012-04-18
Penstemon tenuis Small Accepted M TRO 2012-04-18
Penstemon tepicensis Straw Accepted M TRO 2012-04-18
Penstemon teretiflorus Nutt. Unresolved L WCSP (in review) 2012-03-26
Penstemon teucrioides Greene Accepted M TRO 2012-04-18
Penstemon themisteri Bailly Unresolved L WCSP (in review) 2012-03-26
Penstemon thompsoniae (A. Gray) Rydb. Accepted M TRO 2012-04-18
Penstemon thurberi Torr. Accepted M TRO 2012-04-18
Penstemon tidestromii Pennell Accepted M TRO 2012-04-18
Penstemon tiehmii N.H.Holmgren Unresolved L WCSP (in review) 2012-03-26
Penstemon tinctus Pennell Unresolved L WCSP (in review) 2012-03-26
Penstemon tracyi D.D. Keck Accepted M TRO 2012-04-18
Penstemon triflorus A. Heller Accepted M TRO 2012-04-18
Penstemon triphyllus Douglas Accepted M TRO 2012-04-18
Penstemon truncatus Pennell Unresolved L WCSP (in review) 2012-03-26
Penstemon tubaeflorus Nutt. Accepted M TRO 2012-04-18
Penstemon tubiflorus Nutt. Unresolved L WCSP (in review) 2012-03-26
Penstemon tusharensis N.H.Holmgren Unresolved L WCSP (in review) 2012-03-26
Penstemon uintahensis Pennell Accepted M TRO 2012-04-18
Penstemon unilateralis Rydb. Accepted M TRO 2012-04-18
Penstemon utahensis Eastw. Accepted M TRO 2012-04-18
Penstemon variabilis Suksd. Accepted M TRO 2012-04-18
Penstemon vaseyanus Greene Accepted M TRO 2012-04-18
Penstemon venustus Douglas ex Lindl. Accepted M TRO 2012-04-18
Penstemon veronicifolius Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon versicolor Pennell Unresolved L WCSP (in review) 2012-03-26
Penstemon verticillatus M.Martens & Galeotti Unresolved L WCSP (in review) 2012-03-26
Penstemon violaceus (Brandegee) A. Nelson Accepted M TRO 2012-04-18
Penstemon virens Pennell ex Rydb. Accepted M TRO 2012-04-18
Penstemon virgatus A. Gray Accepted M TRO 2012-04-18 1
Penstemon viscidulus Nees Unresolved L WCSP (in review) 2012-03-26
Penstemon vizcainensis Moran Unresolved L WCSP (in review) 2012-03-26
Penstemon vulcanellus Crosswh. Unresolved L WCSP (in review) 2012-03-26
Penstemon wardii A. Gray Accepted M TRO 2012-04-18
Penstemon washingtonensis D.D. Keck Accepted M TRO 2012-04-18
Penstemon washoensis Greene Unresolved L WCSP (in review) 2012-03-26
Penstemon watsonii A. Gray Accepted M TRO 2012-04-18
Penstemon wendtiorum B.L.Turner Unresolved L WCSP (in review) 2012-03-26
Penstemon wherryi Pennell Accepted M TRO 2012-04-18
Penstemon whippleanus A. Gray Accepted M TRO 2012-04-18
Penstemon wilcoxii Rydb. Accepted M TRO 2012-04-18
Penstemon wislizeni (A. Gray) Straw Accepted M TRO 2012-04-18
Penstemon woodsii A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon wrightii Hook. Accepted M TRO 2012-04-18
Penstemon xylus A.Nelson Unresolved L WCSP (in review) 2012-03-26
Penstemon yampaensis Penland Accepted M TRO 2012-04-18

Statistics

The Plant List includes 543 scientific plant names of species rank for the genus Penstemon. Of these 301 are accepted species names.

The Plant List includes a further 188 scientific plant names of infraspecific rank for the genus Penstemon. We do not intend The Plant List to be complete for names of infraspecific rank. These are primarily included because names of species rank are synonyms of accepted infraspecific names.

Species names

The status of the 543 species names for the genus Penstemon recorded in The Plant List, are as follows:

Pie chart of binomial name statuses
Status Total
◕ Accepted 301 55.4%
◕ Synonym 54 9.9%
◕ Unplaced 0 0%
◕ Unassessed 188 34.6%

All names

The status of the 731 names (including infraspecific names) for the genus Penstemon recorded in The Plant List, are as follows:

Pie chart of all name statuses
Status Total
◕ Accepted 364 49.8%
◕ Synonym 176 24.1%
◕ Unplaced 0 0%
◕ Unassessed 191 26.1%

The confidence with which the status of the 543 species names recorded in The Plant List for the genus Penstemon, are assigned as follows:

Confidence level Accepted Synonym Unplaced Unassessed Total
High confidence 0 0 0 0 0 0%
Medium confidence 294 51 0 0 345 63.5%
Low confidence 7 3 0 188 198 36.5%

The source of the species name records found in The Plant List for the genus Penstemon is as follows:

Source of record Accepted Synonym Unplaced Unassessed Misapplied Total
Tropicos 291 46 0 8 0 345 63.5%
WCSP (in review) 10 8 0 180 0 198 36.5%