Penstemon

Penstemon barbatus var. trichander

Penstemon crandallii var. atratus

Penstemon eatonii

Eaton's penstemon

Penstemon fremontii var. glabrescens

Penstemon fremontii

Penstemon heterophyllus var. australis

Penstemon heterophyllus var. purdyi

Penstemon humilis var. brevifolius

Penstemon newberryi

Mountain-pride

Penstemon rotundifolius

Penstemon potosinus

Penstemon amphorellae

Penstemon filisepalis

Penstemon galloensis

Penstemon henricksonii

Penstemon leonensis

Penstemon glaber var. glaber

Western smooth beardtongue

Penstemon attenuatus var. attenuatus

Taper-leaf beardtongue

Penstemon caespitosus var. caespitosus

Tufted beardtongue

Penstemon plagapineus