Penstemon

Penstemon albertinus

Alberta beardtongue

Penstemon arkansanus

Arkansas beardtongue

Penstemon serrulatus

Cascade penstemon

Penstemon gracilentus

Slender penstemon

Penstemon rupicola

Cliff beardtongue

Penstemon miniatus

Penstemon comarrhenus

Penstemon multiflorus

Penstemon radicosus

Penstemon tenuis

Sharpsepal beardtongue

Penstemon leonardii

Penstemon grandiflorus

Large beardtongue

Penstemon thompsoniae

Thompson's beardtongue

Penstemon barbatus var. barbatus

Beardlip penstemon

Penstemon thurberi

Thurber's beardtongue

Penstemon gormanii

Penstemon jamesii

James' beardtongue

Penstemon anguineus

Siskiyou beardtongue

Penstemon leiophyllus

Smoothleaf beardtongue

Penstemon cardwellii

Cardwell's beardtongue