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Marcus' Beardtongue

Penstemon marcusii (Keck) N. H. Holmgren

Scientific Names

Preferred Names

Species recognized by Dynamic Hierarchy Version 2 1

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

Recognized by USDA PLANTS images and USDA Plants data

Species recognized by GBIF classification

Species recognized by United States Species List

Alternative Names

Not accepted according to Dynamic Hierarchy Version 2 1

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

Synonym according to USDA PLANTS images

Common Names

English

Recognized by USDA PLANTS images and USDA Plants data

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.