[The Plantain Family in the Southwestern Deserts of the United States]

Penstemons and Beardtongues of the Mountains and Deserts of the American Southwest

The Genus Penstemon

Scarlet Bugler: Penstemon centranthifolius

Scarlet Bugler: Penstemon centranthifolius

Beardlip Penstemon, Red Penstemon: Penstemon barbatus

Scarlet Bugler: Penstemon centranthifolius

Cleveland's Beardtongue: Penstemon clevelandii var. clevelandii

San Jacinto Beardtongue: Penstemon clevelandii var. connatus

Mohave Beard's Tongue, Mojave Beardtongue: Penstemon clevelandii var. mohavensis

Eaton's Penstemon, Firecracker Penstemon: Penstemon eatonii (several subspecies)

Narrowleaf Penstemon, Linarialeaf Penstemon, Toadflax Penstemon: Penstemon linarioides

Palmer's Penstemon,Scented Beardtongue, Scented Penstemon: Penstemon palmeri

Parry's Beardtongue: Penstemon parryi

Arizona Penstemon, Canyon Penstemon, Desert Penstemon: Penstemon pseudospectabilis

Beaked Penstemon, Bridge Penstemon, Mountain Scarlet Penstemon: Penstemon rostriflorus (Synonym: Penstemon bridgesii)

Arizona Scarlet-bugler, Hackberry Beardtongue: Penstemon subulatus

Thompson's Beardtongue, Thompson's Penstemon: Penstemon thompsoniae

Thurber's Penstemon: Penstemon thurberi (Synonym: Penstemon thurberi var. anestius)

Upright Blue Beardtongue: Penstemon virgatus


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