Penstemon

Penstemon pratensis

Penstemon pruinosus

Chelan beardtongue

Penstemon pudicus

Penstemon rattanii

Rattan's beardtongue

Penstemon saxosorum

Penstemon parvulus

Penstemon radicosus

Penstemon retrorsus

Penstemon rubicundus

Penstemon seorsus

Penstemon smallii

Small's beardtongue

Penstemon spatulatus

Penstemon stenophyllus

Penstemon strictus

Rocky mountain penstemon

Penstemon tenuiflorus

Eastern whiteflower beardtongue

Penstemon tracyi

Trinity penstemon

Penstemon tidestromii

Penstemon venustus

Shrubby penstemon

Penstemon watsonii

Watson's penstemon

Penstemon acuminatus

Sharpleaf penstemon