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Marcus' Beardtongue

Penstemon marcusii (Keck) N. H. Holmgren

Scientific Names

Preferred Names

Species recognized by EOL Dynamic Hierarchy April 2022

Reference taxon from Synonymic Checklists of the Vascular Plants of the World in Species 2000 & ITIS Catalogue of Life

Species recognized by wikipedia VI and United States Species List

Species recognized by GBIF classification

Species recognized by EOL Dynamic Hierarchy 1.1 and EOL Dynamic Hierarchy 1.1

Species recognized by wikidata_hierarchy tar gz, USDA PLANTS images, and iNaturalist data coverage

Recognized by BHL data coverage and TRY database summary

Species recognized by Catalogue of Life 26 March 2024, iNaturalist, USDA Plants data, Integrated Taxonomic Information System (ITIS) Taxonomic Hierarchy, and GBIF data coverage

Species recognized by EOL Dynamic Hierarchy Version 2.2.4

Alternative Names

Not accepted according to EOL Dynamic Hierarchy April 2022

Reference taxon from Synonymic Checklists of the Vascular Plants of the World in Species 2000 & ITIS Catalogue of Life

Synonym according to EOL Dynamic Hierarchy 1.1 and EOL Dynamic Hierarchy 1.1

Synonym according to USDA PLANTS images

Not accepted according to Integrated Taxonomic Information System (ITIS) Taxonomic Hierarchy and EOL Dynamic Hierarchy Version 2.2.4

Synonym according to Catalogue of Life 26 March 2024

Common Names

English

Recognized by USDA PLANTS images

Life

Cellular Organisms

Eukaryota

Archaeplastida

Chloroplastida

Streptophyta

Embryophytes

Tracheophyta

Spermatophytes

Angiosperms

Eudicots

Superasterids

Asterids

Lamiales

Plantaginaceae

Penstemon

Penstemon marcusii (Keck) N. H. Holmgren (this page)

Penstemon albertinus Greene

Penstemon ambiguus Torr.

Penstemon amphorellae Crosswhite

Penstemon anguineus Eastw.

Penstemon angustifolius Nutt. ex Pursh

Penstemon aridus Rydb.

Penstemon atropurpureus (Sweet) G. Don

Penstemon australis Small

Penstemon azureus Benth.

Penstemon barnebyi N. H. Holmgren

Penstemon bolanius Straw

Penstemon bracteatus D. D. Keck

Penstemon buckleyi Pennell

Penstemon caesius A. Gray

Penstemon cardwellii Howell

Penstemon carnosus Pennell apud E. H. Graham

Penstemon cedrosensis Krautter

Penstemon centranthifolius Benth.

Penstemon cinicola D. D. Keck

Penstemon compactus (Keck) Crosswhite

Penstemon confusus M. E. Jones

Penstemon cusickii A. Gray

Penstemon cyananthus Hook.

Penstemon cyaneus Pennell

Penstemon cyathophorus Rydb.

Penstemon deaveri Crosswhite

Penstemon debilis S. L. O'Kane & J. L. Anderson

Penstemon digitalis Nutt.

Penstemon dissectus Ell.

Penstemon eriantherus Pursh

Penstemon floribundus D. M. Danley

Penstemon flowersii E. Neese & S. L. Welsh

Penstemon fremontii Torr. & Gray

Penstemon fruticosus (Pursh) Greene

Penstemon gibbensii R. D. Dorn

Penstemon globosus (Piper) Pennell & D. D. Keck

Penstemon goodrichii N. H. Holmgren

Penstemon gracilentus A. Gray

Penstemon grandiflorus Fras.

Penstemon griffinii A. Nels.

Penstemon grinnellii Eastw.

Penstemon hartwegii Benth.

Penstemon henricksonii R. M. Straw

Penstemon heterodoxus A. Gray

Penstemon heterophyllus Lindl.

Penstemon hidalgensis Straw

Penstemon idahoensis N. D. Atwood & S. L. Welsh

Penstemon incertus Brandeg.

Penstemon kingii S. Wats.

Penstemon kralii D. Estes

Penstemon labrosus (A. Gray) Mast. ex Hook. fil.

Penstemon laevigatus (L.) Ait.

Penstemon longiflorus (Pennell) S. L. Clark

Penstemon lyalli (A. Gray) A. Gray

Penstemon mensarum Pennell

Penstemon mirus A. Nels.

Penstemon monoensis A. A. Heller

Penstemon moronensis Crosswhite

Penstemon murrayanus Hook.

Penstemon nitidus Dougl. ex Benth.

Penstemon nudiflorus A. Gray

Penstemon ophianthus Pennell

Penstemon parryi A. Gray

Penstemon peckii Pennell

Penstemon penlandii W. A. Weber

Penstemon perfoliatus A. Brongn.

Penstemon petiolatus Brandeg.

Penstemon pinifolius Greene

Penstemon potosinus Straw

Penstemon pratensis Greene

Penstemon pseudospectabilis M. E. Jones

Penstemon pudicus Reveal & Beatley

Penstemon radicosus A. Nels.

Penstemon ramosus Crosswhite

Penstemon retrorsus Payson

Penstemon rostriflorus Kellogg

Penstemon rotundifolius A. Gray.

Penstemon rubicundus D. D. Keck

Penstemon rupicola (Piper) T. J. Howell

Penstemon rydbergii A. Nels.

Penstemon schaffneri (Hemsl.) Straw

Penstemon secundiflorus Benth.

Penstemon seorsus (A. Nels.) D. D. Keck

Penstemon sepalulus A. Nels.

Penstemon spatulatus Pennell

Penstemon stenophyllus A. Gray

Penstemon strictiformis Rydb.

Penstemon subglaber Rydberg

Penstemon subulatus M. E. Jones

Penstemon tepicensis Straw

Penstemon teucrioides Greene

Penstemon triphyllus Dougl.

Penstemon unilateralis Rydb.

Penstemon utahensis Eastwood.

Penstemon virens Pennell ex Rydb.

Penstemon vizcainensis R. Moran

Penstemon watsonii A. Gray

Penstemon whippleanus A. Gray

Penstemon wislizenii (A. Gray) Straw

Penstemon yampaensis Penland

185 additional siblings truncated for brevity.

See the resource file for a full list.

Biota

Plantae

Tracheophyta

Magnoliopsida

Lamiales Bromhead

Plantaginaceae Juss.

Chelonoideae Luerss.

Penstemon Schmidel

Penstemon marcusii (D. D. Keck) N. H. Holmgren (this page)

Penstemon cinicola D. D. Keck

Penstemon clevelandii A. Gray

Penstemon cobaea Nutt.

Penstemon concinnus D. D. Keck

Penstemon cusickii A. Gray

Penstemon cyathophorus Rydb.

Penstemon euglaucus English

Penstemon eximius D. D. Keck

Penstemon fasciculatus A. Gray

Penstemon filisepalis Straw

Penstemon floribundus Danley

Penstemon flowersii Neese & S. L. Welsh

Penstemon fremontii Torr. & A. Gray

Penstemon fruticosus (Pursh) Greene

Penstemon gairdneri Hook.

Penstemon gentianoides (Kunth) Poir.

Penstemon glaber Pursh

Penstemon glandulosus Douglas ex Lindl.

Penstemon globosus (Piper) Pennell & D. D. Keck

Penstemon gormanii Greene

Penstemon grahamii D. D. Keck apud E. H. Graham

Penstemon griffinii A. Nelson

Penstemon guadalupensis A. Heller

Penstemon harbourii A. Gray

Penstemon hartwegii Benth.

Penstemon haydenii S. Watson ex Coult.

Penstemon henricksonii Straw

Penstemon heterophyllus Lindl.

Penstemon newberryi A. Gray

Penstemon nitidus Douglas ex Benth.

Penstemon nudiflorus A. Gray

Penstemon occiduus Straw

Penstemon oklahomensis Pennell

Penstemon oliganthus Wooton & Standl.

Penstemon ophianthus Pennell

Penstemon osterhoutii Pennell

Penstemon ovatus Douglas

Penstemon pachyphyllus A. Gray ex Rydb.

Penstemon pahutensis Holmgren

Penstemon pallidus Small

Penstemon palmeri A. Gray

Penstemon papillatus Howell

Penstemon parryi A. Gray

Penstemon parvus Pennell

Penstemon patens (M. E. Jones) N. H. Holmgren

Penstemon payettensis A. Nelson & J. F. Macbr.

Penstemon paysoniorum D. D. Keck

Penstemon pennellianus D. D. Keck

Penstemon perfoliatus Brongn.

Penstemon personatus D. D. Keck

Penstemon pinifolius Greene

Penstemon plagapineus Straw

Penstemon pratensis Greene

Penstemon procerus Douglas ex Graham

Penstemon pseudoputus (Crosswh.) N. H. Holmgren

Penstemon pudicus Reveal & Beatley

Penstemon punctatus Brandegee

Penstemon radicosus A. Nelson

Penstemon rattanii A. Gray

Penstemon retrorsus Payson

Penstemon rhizomatosus N. H. Holmgren

Penstemon roezlii Regel

Penstemon roseus (Sweet) G. Don

Penstemon rotundifolius A. Gray

Penstemon rupicola (Piper) Howell

Penstemon saltarius Crosswh.

Penstemon scapoides D. D. Keck

Penstemon schaffneri (Hemsl.) Straw

Penstemon secundiflorus Benth.

Penstemon seorsus (A. Nelson) D. D. Keck

Penstemon sepalulus A. Nelson

Penstemon serrulatus Menzies

Penstemon smallii A. Heller

Penstemon spatulatus Pennell

Penstemon speciosus Douglas

Penstemon spectabilis Thurb. ex Torr. & A. Gray

Penstemon stephensii Brandegee

Penstemon strictiformis Rydb.

Penstemon subglaber Rydb.

Penstemon subserratus Pennell

Penstemon sudans M. E. Jones

Penstemon superbus A. Nelson

Penstemon tenuiflorus Pennell

Penstemon tenuifolius Benth.

Penstemon tepicensis Straw

Penstemon teucrioides Greene

Penstemon thompsoniae (A. Gray) Rydb.

Penstemon tidestromii Pennell

Penstemon tracyi D. D. Keck

Penstemon triphyllus Douglas

Penstemon uintahensis Pennell

Penstemon utahensis Eastw.

Penstemon venustus Douglas

Penstemon virgatus A. Gray

Penstemon wardii A. Gray

Penstemon washingtonensis D. D. Keck

Penstemon whippleanus A. Gray

Penstemon wislizenii (A. Gray) Straw

Penstemon × crideri A. Nelson

Penstemon × mirus A. Nelson

187 additional siblings truncated for brevity.

See the resource file for a full list.

Penstemon marcusii (Keck) N. H. Holmgren (this page)

Penstemon albertinus Greene

Penstemon ambiguus Torr.

Penstemon amphorellae Crosswhite

Penstemon anguineus Eastw.

Penstemon angustifolius Nutt. ex Pursh

Penstemon aridus Rydb.

Penstemon atropurpureus (Sweet) G. Don

Penstemon australis Small

Penstemon azureus Benth.

Penstemon barnebyi N. H. Holmgren

Penstemon bolanius Straw

Penstemon bracteatus D. D. Keck

Penstemon buckleyi Pennell

Penstemon caesius A. Gray

Penstemon cardwellii Howell

Penstemon carnosus Pennell apud E. H. Graham

Penstemon cedrosensis Krautter

Penstemon centranthifolius Benth.

Penstemon cinicola D. D. Keck

Penstemon compactus (Keck) Crosswhite

Penstemon confusus M. E. Jones

Penstemon cusickii A. Gray

Penstemon cyananthus Hook.

Penstemon cyaneus Pennell

Penstemon cyathophorus Rydb.

Penstemon deaveri Crosswhite

Penstemon debilis S. L. O'Kane & J. L. Anderson

Penstemon digitalis Nutt.

Penstemon dissectus Ell.

Penstemon eriantherus Pursh

Penstemon floribundus D. M. Danley

Penstemon flowersii E. Neese & S. L. Welsh

Penstemon fremontii Torr. & Gray

Penstemon fruticosus (Pursh) Greene

Penstemon gibbensii R. D. Dorn

Penstemon globosus (Piper) Pennell & D. D. Keck

Penstemon goodrichii N. H. Holmgren

Penstemon gracilentus A. Gray

Penstemon grandiflorus Fras.

Penstemon griffinii A. Nels.

Penstemon grinnellii Eastw.

Penstemon hartwegii Benth.

Penstemon haydenii S. Wats. ex Coult.

Penstemon henricksonii R. M. Straw

Penstemon heterodoxus A. Gray

Penstemon heterophyllus Lindl.

Penstemon hidalgensis Straw

Penstemon idahoensis N. D. Atwood & S. L. Welsh

Penstemon incertus Brandeg.

Penstemon kingii S. Wats.

Penstemon kralii D. Estes

Penstemon labrosus (A. Gray) Mast. ex Hook. fil.

Penstemon laevigatus (L.) Ait.

Penstemon longiflorus (Pennell) S. L. Clark

Penstemon lyalli (A. Gray) A. Gray

Penstemon mensarum Pennell

Penstemon mirus A. Nels.

Penstemon monoensis A. A. Heller

Penstemon moronensis Crosswhite

Penstemon murrayanus Hook.

Penstemon nitidus Dougl. ex Benth.

Penstemon nudiflorus A. Gray

Penstemon ophianthus Pennell

Penstemon parryi A. Gray

Penstemon peckii Pennell

Penstemon penlandii W. A. Weber

Penstemon perfoliatus A. Brongn.

Penstemon petiolatus Brandeg.

Penstemon pinifolius Greene

Penstemon potosinus Straw

Penstemon pratensis Greene

Penstemon pseudospectabilis M. E. Jones

Penstemon pudicus Reveal & Beatley

Penstemon radicosus A. Nels.

Penstemon retrorsus Payson

Penstemon rostriflorus Kellogg

Penstemon rotundifolius A. Gray.

Penstemon rubicundus D. D. Keck

Penstemon rupicola (Piper) T. J. Howell

Penstemon rydbergii A. Nels.

Penstemon schaffneri (Hemsl.) Straw

Penstemon secundiflorus Benth.

Penstemon seorsus (A. Nels.) D. D. Keck

Penstemon sepalulus A. Nels.

Penstemon spatulatus Pennell

Penstemon stenophyllus A. Gray

Penstemon strictiformis Rydb.

Penstemon subglaber Rydberg

Penstemon subulatus M. E. Jones

Penstemon tepicensis Straw

Penstemon teucrioides Greene

Penstemon triphyllus Dougl.

Penstemon unilateralis Rydb.

Penstemon utahensis Eastwood.

Penstemon virens Pennell ex Rydb.

Penstemon vizcainensis R. Moran

Penstemon watsonii A. Gray

Penstemon whippleanus A. Gray

Penstemon wislizenii (A. Gray) Straw

Penstemon yampaensis Penland

180 additional siblings truncated for brevity.

See the resource file for a full list.

Life

Cellular Organisms

Eukaryota

Archaeplastida

Chloroplastida

Streptophyta

Embryophytes

Tracheophyta

Spermatophytes

Angiosperms

Eudicots

Superasterids

Asterids

Lamiales

Plantaginaceae

Penstemon

Penstemon marcusii (Keck) N. H. Holmgren (this page)

Penstemon albertinus Greene

Penstemon ambiguus Torr.

Penstemon amphorellae Crosswhite

Penstemon anguineus Eastw.

Penstemon angustifolius Nutt. ex Pursh

Penstemon aridus Rydb.

Penstemon atropurpureus (Sweet) G. Don

Penstemon australis Small

Penstemon azureus Benth.

Penstemon barnebyi N. H. Holmgren

Penstemon bolanius Straw

Penstemon bracteatus D. D. Keck

Penstemon buckleyi Pennell

Penstemon caesius A. Gray

Penstemon cardwellii Howell

Penstemon carnosus Pennell apud E. H. Graham

Penstemon cedrosensis Krautter

Penstemon centranthifolius Benth.

Penstemon cinicola D. D. Keck

Penstemon compactus (Keck) Crosswhite

Penstemon confusus M. E. Jones

Penstemon cusickii A. Gray

Penstemon cyananthus Hook.

Penstemon cyaneus Pennell

Penstemon cyathophorus Rydb.

Penstemon deaveri Crosswhite

Penstemon debilis S. L. O'Kane & J. L. Anderson

Penstemon digitalis Nutt.

Penstemon dissectus Ell.

Penstemon eriantherus Pursh

Penstemon floribundus D. M. Danley

Penstemon flowersii E. Neese & S. L. Welsh

Penstemon fremontii Torr. & Gray

Penstemon fruticosus (Pursh) Greene

Penstemon gibbensii R. D. Dorn

Penstemon globosus (Piper) Pennell & D. D. Keck

Penstemon goodrichii N. H. Holmgren

Penstemon gracilentus A. Gray

Penstemon grandiflorus Fras.

Penstemon griffinii A. Nels.

Penstemon grinnellii Eastw.

Penstemon hartwegii Benth.

Penstemon henricksonii R. M. Straw

Penstemon heterodoxus A. Gray

Penstemon heterophyllus Lindl.

Penstemon hidalgensis Straw

Penstemon idahoensis N. D. Atwood & S. L. Welsh

Penstemon incertus Brandeg.

Penstemon kingii S. Wats.

Penstemon kralii D. Estes

Penstemon labrosus (A. Gray) Mast. ex Hook. fil.

Penstemon laevigatus (L.) Ait.

Penstemon longiflorus (Pennell) S. L. Clark

Penstemon lyalli (A. Gray) A. Gray

Penstemon mensarum Pennell

Penstemon mirus A. Nels.

Penstemon monoensis A. A. Heller

Penstemon moronensis Crosswhite

Penstemon murrayanus Hook.

Penstemon nitidus Dougl. ex Benth.

Penstemon nudiflorus A. Gray

Penstemon ophianthus Pennell

Penstemon parryi A. Gray

Penstemon peckii Pennell

Penstemon penlandii W. A. Weber

Penstemon perfoliatus A. Brongn.

Penstemon petiolatus Brandeg.

Penstemon pinifolius Greene

Penstemon potosinus Straw

Penstemon pratensis Greene

Penstemon pseudospectabilis M. E. Jones

Penstemon pudicus Reveal & Beatley

Penstemon radicosus A. Nels.

Penstemon ramosus Crosswhite

Penstemon retrorsus Payson

Penstemon rostriflorus Kellogg

Penstemon rotundifolius A. Gray.

Penstemon rubicundus D. D. Keck

Penstemon rupicola (Piper) T. J. Howell

Penstemon rydbergii A. Nels.

Penstemon schaffneri (Hemsl.) Straw

Penstemon secundiflorus Benth.

Penstemon seorsus (A. Nels.) D. D. Keck

Penstemon sepalulus A. Nels.

Penstemon spatulatus Pennell

Penstemon stenophyllus A. Gray

Penstemon strictiformis Rydb.

Penstemon subglaber Rydberg

Penstemon subulatus M. E. Jones

Penstemon tepicensis Straw

Penstemon teucrioides Greene

Penstemon triphyllus Dougl.

Penstemon unilateralis Rydb.

Penstemon utahensis Eastwood.

Penstemon virens Pennell ex Rydb.

Penstemon vizcainensis R. Moran

Penstemon watsonii A. Gray

Penstemon whippleanus A. Gray

Penstemon wislizenii (A. Gray) Straw

Penstemon yampaensis Penland

185 additional siblings truncated for brevity.

See the resource file for a full list.

Penstemon marcusii (Keck) N. H. Holmgren (this page)

Penstemon albertinus Greene

Penstemon ambiguus Torr.

Penstemon amphorellae Crosswhite

Penstemon anguineus Eastw.

Penstemon angustifolius Nutt. ex Pursh

Penstemon aridus Rydb.

Penstemon atropurpureus (Sweet) G. Don

Penstemon australis Small

Penstemon azureus Benth.

Penstemon barnebyi N. H. Holmgren

Penstemon bolanius Straw

Penstemon bracteatus D. D. Keck

Penstemon buckleyi Pennell

Penstemon caesius A. Gray

Penstemon cardwellii Howell

Penstemon carnosus Pennell apud E. H. Graham

Penstemon cedrosensis Krautter

Penstemon centranthifolius Benth.

Penstemon cinicola D. D. Keck

Penstemon compactus (Keck) Crosswhite

Penstemon confusus M. E. Jones

Penstemon cusickii A. Gray

Penstemon cyananthus Hook.

Penstemon cyaneus Pennell

Penstemon cyathophorus Rydb.

Penstemon deaveri Crosswhite

Penstemon debilis S. L. O'Kane & J. L. Anderson

Penstemon digitalis Nutt.

Penstemon dissectus Ell.

Penstemon eriantherus Pursh

Penstemon floribundus D. M. Danley

Penstemon flowersii E. Neese & S. L. Welsh

Penstemon fremontii Torr. & Gray

Penstemon fruticosus (Pursh) Greene

Penstemon gibbensii R. D. Dorn

Penstemon globosus (Piper) Pennell & D. D. Keck

Penstemon goodrichii N. H. Holmgren

Penstemon gracilentus A. Gray

Penstemon grandiflorus Fras.

Penstemon griffinii A. Nels.

Penstemon grinnellii Eastw.

Penstemon hartwegii Benth.

Penstemon haydenii S. Wats. ex Coult.

Penstemon henricksonii R. M. Straw

Penstemon heterodoxus A. Gray

Penstemon heterophyllus Lindl.

Penstemon hidalgensis Straw

Penstemon idahoensis N. D. Atwood & S. L. Welsh

Penstemon incertus Brandeg.

Penstemon kingii S. Wats.

Penstemon kralii D. Estes

Penstemon labrosus (A. Gray) Mast. ex Hook. fil.

Penstemon laevigatus (L.) Ait.

Penstemon longiflorus (Pennell) S. L. Clark

Penstemon lyalli (A. Gray) A. Gray

Penstemon mensarum Pennell

Penstemon mirus A. Nels.

Penstemon monoensis A. A. Heller

Penstemon moronensis Crosswhite

Penstemon murrayanus Hook.

Penstemon nitidus Dougl. ex Benth.

Penstemon nudiflorus A. Gray

Penstemon ophianthus Pennell

Penstemon parryi A. Gray

Penstemon peckii Pennell

Penstemon penlandii W. A. Weber

Penstemon perfoliatus A. Brongn.

Penstemon petiolatus Brandeg.

Penstemon pinifolius Greene

Penstemon potosinus Straw

Penstemon pratensis Greene

Penstemon pseudospectabilis M. E. Jones

Penstemon pudicus Reveal & Beatley

Penstemon radicosus A. Nels.

Penstemon retrorsus Payson

Penstemon rostriflorus Kellogg

Penstemon rotundifolius A. Gray.

Penstemon rubicundus D. D. Keck

Penstemon rupicola (Piper) T. J. Howell

Penstemon rydbergii A. Nels.

Penstemon schaffneri (Hemsl.) Straw

Penstemon secundiflorus Benth.

Penstemon seorsus (A. Nels.) D. D. Keck

Penstemon sepalulus A. Nels.

Penstemon spatulatus Pennell

Penstemon stenophyllus A. Gray

Penstemon strictiformis Rydb.

Penstemon subglaber Rydberg

Penstemon subulatus M. E. Jones

Penstemon tepicensis Straw

Penstemon teucrioides Greene

Penstemon triphyllus Dougl.

Penstemon unilateralis Rydb.

Penstemon utahensis Eastwood.

Penstemon virens Pennell ex Rydb.

Penstemon vizcainensis R. Moran

Penstemon watsonii A. Gray

Penstemon whippleanus A. Gray

Penstemon wislizenii (A. Gray) Straw

Penstemon yampaensis Penland

180 additional siblings truncated for brevity.

See the resource file for a full list.

Plantae

Tracheophyta

Magnoliopsida

Lamiales

Plantaginaceae

Penstemon Schmidel

Penstemon marcusii (D. D. Keck) N. H. Holmgren (this page)

Penstemon absarokensis Evert

Penstemon alamosensis Pennell & Nisbet

Penstemon albertinus Greene

Penstemon albidus Nutt.

Penstemon alluviorum Pennell

Penstemon ambiguus Torr.

Penstemon anguineus Eastw.

Penstemon angustifolius Fraser fil. ex Pursh

Penstemon arenarius Greene

Penstemon arenicola A. Nelson

Penstemon aridus Rydb.

Penstemon azureus Benth.

Penstemon bryantiae D. D. Keck

Penstemon buckleyi Pennell

Penstemon caespitosus Nutt. ex A. Gray

Penstemon calcareus Brandegee

Penstemon californicus (Munz & I. M. Johnst.) Keck

Penstemon calycosus Small

Penstemon canescens Britton.

Penstemon cardinalis Wooton & Standl.

Penstemon clevelandii A. Gray

Penstemon compactus (D. D. Keck) Crosswh.

Penstemon cyathophorus Rydb.

Penstemon dasyphyllus A. Gray

Penstemon davidsonii Greene

Penstemon deaveri Crosswhite

Penstemon degeneri Crosswh.

Penstemon diphyllus Rydb.

Penstemon discolor D. D. Keck

Penstemon franklinii S. L. Welsh

Penstemon gairdneri Hook.

Penstemon glaber Pursh

Penstemon goodrichii N. H. Holmgren

Penstemon gormanii Greene

Penstemon gracilentus A. Gray

Penstemon gracilis Nutt.

Penstemon grahamii Keck

Penstemon grinnellii Eastw.

Penstemon guadalupensis A. Heller

Penstemon hallii A. Gray

Penstemon harbourii A. Gray

Penstemon hartwegii Benth.

Penstemon heterodoxus A. Gray

Penstemon heterophyllus Lindl.

Penstemon humilis A. Gray

Penstemon idahoensis N. D. Atwood & S. L. Welsh

Penstemon lanceolatus Benth.

Penstemon leptanthus Pennell

Penstemon longiflorus (Pennell) S. L. Clark

Penstemon mirus A. Nelson

Penstemon moffattii Eastw.

Penstemon monoensis A. Heller

Penstemon moriahensis N. H. Holmgren

Penstemon murrayanus Hook.

Penstemon nanus Keck

Penstemon navajoa N. H. Holmgren

Penstemon newberryi A. Gray

Penstemon nitidus Dougl. ex Benth.

Penstemon osterhoutii Pennell

Penstemon palmeri A. Gray

Penstemon parryi A. Gray

Penstemon patens (M. E. Jones) N. H. Holmgren

Penstemon pauciflorus Buckley

Penstemon payettensis A. Nelson & J. F. Macbr.

Penstemon paysoniorum D. D. Keck

Penstemon peckii Pennell

Penstemon penlandii W. A. Weber

Penstemon pennellianus Keck

Penstemon perpulcher A. Nelson

Penstemon personatus D. D. Keck

Penstemon petiolatus Brandegee

Penstemon pinifolius Greene

Penstemon platyphyllus Rydb.

Penstemon pratensis Greene

Penstemon procerus Dougl. ex Graham

Penstemon pseudoputus (Crosswhite) N. H. Holmgren

Penstemon pseudospectabilis M. E. Jones

Penstemon ramosus Crosswh.

Penstemon rhizomatosus N. H. Holmgren

Penstemon roezlii Regel

Penstemon rostriflorus Kellogg

Penstemon stephensii Brandegee

Penstemon strictiformis Rydb.

Penstemon subglaber Rydb.

Penstemon subserratus Pennell

Penstemon subulatus M. E. Jones

Penstemon sudans M. E. Jones

Penstemon superbus A. Nelson

Penstemon tenuiflorus Pennell

Penstemon tenuis Small

Penstemon teucrioides Greene

Penstemon thompsoniae (A. Gray) Rydb.

Penstemon thurberi Torr.

Penstemon tidestromii Pennell

Penstemon tiehmii N. H. Holmgren

Penstemon tracyi D. D. Keck

Penstemon triflorus A. Heller

Penstemon tusharensis N. H. Holmgren

Penstemon uintahensis Pennell

Penstemon unilateralis Rydb.

203 additional siblings truncated for brevity.

See the resource file for a full list.

Plantae

Viridiplantae

Streptophyta

Embryophyta

Tracheophyta

Spermatophytina

Magnoliopsida

Asteranae

Lamiales

Plantaginaceae

Penstemon Schmidel

Penstemon marcusii (D. D. Keck) N. H. Holmgren (this page)

Penstemon abietinus Pennell

Penstemon acaulis L. O. Williams

Penstemon acuminatus Douglas ex Lindl.

Penstemon alamosensis Pennell & G. T. Nisbet

Penstemon albertinus Greene

Penstemon albidus Nutt.

Penstemon ambiguus Torr.

Penstemon anguineus Eastw.

Penstemon angustifolius Nutt. ex Pursh

Penstemon arenarius Greene

Penstemon arenicola A. Nelson

Penstemon aridus Rydb.

Penstemon arkansanus Pennell

Penstemon attenuatus Douglas ex Lindl.

Penstemon atwoodii S. L. Welsh

Penstemon auriberbis Pennell

Penstemon australis Small

Penstemon azureus Benth.

Penstemon baccharifolius Hook.

Penstemon barbatus (Cav.) Roth

Penstemon barnebyi N. H. Holmgren

Penstemon barrettiae A. Gray

Penstemon bicolor (Brandegee) Clokey & D. D. Keck

Penstemon bracteatus D. D. Keck

Penstemon breviculus (D. D. Keck) G. T. Nisbet & R. C. Jacks.

Penstemon brevisepalus Pennell

Penstemon buckleyi Pennell

Penstemon caesius A. Gray

Penstemon caespitosus Nutt. ex A. Gray

Penstemon calcareus Brandegee

Penstemon californicus (Munz & I. M. Johnst.) D. D. Keck

Penstemon calycosus Small

Penstemon carnosus Pennell

Penstemon caryi Pennell

Penstemon centranthifolius (Benth.) Benth.

Penstemon cobaea Nutt.

Penstemon confusus M. E. Jones

Penstemon cyaneus Pennell

Penstemon deamii Pennell

Penstemon eatonii A. Gray

Penstemon eriantherus Pursh

Penstemon floridus Brandegee

Penstemon gairdneri Hook.

Penstemon glaber Pursh

Penstemon grahamii D. D. Keck

Penstemon hallii A. Gray

Penstemon harbourii A. Gray

Penstemon haydenii S. Watson

Penstemon humilis Nutt. ex A. Gray

Penstemon jamesii Benth.

Penstemon kingii S. Watson

Penstemon laetus A. Gray

Penstemon laevis Pennell

Penstemon laxus A. Nelson

Penstemon lentus Pennell

Penstemon leonardii Rydb.

Penstemon mensarum Pennell

Penstemon miser A. Gray

Penstemon montanus Greene

Penstemon newberryi A. Gray

Penstemon nitidus Douglas ex Benth.

Penstemon osterhoutii Pennell

Penstemon palmeri A. Gray

Penstemon parryi (A. Gray) A. Gray

Penstemon patens (M. E. Jones) N. H. Holmgren

Penstemon peckii Pennell

Penstemon penlandii W. A. Weber

Penstemon pratensis Greene

Penstemon procerus Douglas ex Graham

Penstemon pseudospectabilis M. E. Jones

Penstemon pumilus Nutt.

Penstemon putus A. Nelson

Penstemon rattanii A. Gray

Penstemon richardsonii Douglas ex Lindl.

Penstemon saxosorum Pennell

Penstemon scapoides D. D. Keck

Penstemon scariosus Pennell

Penstemon sepalulus A. Nelson

Penstemon smallii A. Heller

Penstemon speciosus Douglas ex Lindl.

Penstemon stenophyllus A. Gray

Penstemon strictus Benth.

Penstemon subglaber Rydb.

Penstemon subserratus Pennell

Penstemon subulatus M. E. Jones

Penstemon superbus A. Nelson

Penstemon tenuiflorus Pennell

Penstemon tenuis Small

Penstemon thurberi Torr.

Penstemon tracyi D. D. Keck

Penstemon tubiflorus Nutt.

Penstemon utahensis Eastw.

Penstemon virgatus A. Gray

Penstemon wardii A. Gray

Penstemon washingtonensis D. D. Keck

Penstemon watsonii A. Gray

Penstemon whippleanus A. Gray

Penstemon wilcoxii Rydb.

Penstemon wrightii Hook.

Penstemon yampaensis Penland

147 additional siblings truncated for brevity.

See the resource file for a full list.

Biota

Eukaryota

Plantae

Viridiplantae

Embryophyta

Tracheophyta

Spermatophytina

Magnoliophyta

Magnoliopsida

Asteridae

Plantaginales

Plantaginaceae

Penstemon

Penstemon marcusii (this page)

Penstemon alluviorum

Penstemon amphorellae

Penstemon apateticus

Penstemon atropurpureus

Penstemon azureus

Penstemon baccharifolius

Penstemon bolanius

Penstemon breviculus

Penstemon brevisepalus

Penstemon caesius

Penstemon campanulatus

Penstemon compactus

Penstemon dasyphyllus

Penstemon davidsonii

Penstemon duchesnensis

Penstemon dugesii

Penstemon eriantherus

Penstemon eximius

Penstemon fasciculatus

Penstemon fendleri

Penstemon filisepalis

Penstemon franklinii

Penstemon fruticosus

Penstemon galloensis

Penstemon gentianoides

Penstemon gentryi

Penstemon glaber

Penstemon globosus

Penstemon gormanii

Penstemon gracilis

Penstemon hartwegii

Penstemon henricksonii

Penstemon hidalgensis

Penstemon higginsii

Penstemon hintonii

Penstemon hirsutus

Penstemon humilis

Penstemon imberbis

Penstemon incanus

Penstemon isophyllus

Penstemon jamesii

Penstemon kralii

Penstemon kunthii

Penstemon lanceolatus

Penstemon lemhiensis

Penstemon leonensis

Penstemon linarioides

Penstemon longiflorus

Penstemon luteus

Penstemon miniatus

Penstemon minor

Penstemon moffattii

Penstemon mohinoranus

Penstemon moronensis

Penstemon multiflorus

Penstemon nitidus

Penstemon occiduus

Penstemon pallidus

Penstemon pandus

Penstemon pentstemon

Penstemon perfoliatus

Penstemon pinifolius

Penstemon plagapineus

Penstemon potosinus

Penstemon pringlei

Penstemon pseudoputus

Penstemon pulchellus

Penstemon punctatus

Penstemon richardsonii

Penstemon roseus

Penstemon rotundifolius

Penstemon rubicundus

Penstemon rydbergii

Penstemon saltarius

Penstemon saxosorum

Penstemon secundiflorus

Penstemon seorsus

Penstemon sepalulus

Penstemon serrulatus

Penstemon smallii

Penstemon stenophyllus

Penstemon stenosepalus

Penstemon strictiformis

Penstemon subglaber

Penstemon subserratus

Penstemon subulatus

Penstemon superbus

Penstemon tenuiflorus

Penstemon tenuifolius

Penstemon tenuis

Penstemon tepicensis

Penstemon teucrioides

Penstemon tidestromii

Penstemon tiehmii

Penstemon triphyllus

Penstemon tubiflorus

Penstemon versicolor

Penstemon violaceus

Penstemon virgatus

Penstemon wislizenii

274 additional siblings truncated for brevity.

See the resource file for a full list.

Marcus' Beardtongue

Penstemon marcusii (Keck) N. H. Holmgren

Scientific Names

Preferred Names

Alternative Names

Common Names

English

Curated hierarchies for Penstemon marcusii (Keck) N. H. Holmgren

EOL Dynamic Hierarchy April 2022

Catalogue of Life 26 March 2024

Dynamic Hierarchy Version 2.2.3

EOL Dynamic Hierarchy 1.1

EOL Dynamic Hierarchy Version 2.2.4

GBIF classification

Integrated Taxonomic Information System (ITIS) Taxonomic Hierarchy

wikidata_hierarchy tar gz