Penstemon

Penstemon pallidus

Pale beardtongue

Penstemon procerus var. procerus

Penstemon procerus var. modestus

Penstemon procerus var. brachyanthus

Penstemon procerus var. formosus

Penstemon anguineus

Siskiyou beardtongue

Penstemon eatonii var. exsertus

Penstemon attenuatus var. militaris

Penstemon acaulis

Penstemon attenuatus var. attenuatus

Penstemon cardinalis var. regalis

Penstemon cardinalis

Penstemon attenuatus var. palustris

Penstemon attenuatus var. pseudoprocerus

Penstemon caryi

Penstemon eatonii var. eatonii

Penstemon cardinalis var. cardinalis

Penstemon eatonii var. undosus

Penstemon crandallii var. glabrescens

Penstemon barrettiae

Barrett's beardtongue