Penstemon

Penstemon cyananthus var. judyae

Penstemon occiduus

Penstemon reidmoranii

Penstemon × mirus

Penstemon × dubius

Penstemon ambiguus

Bush penstemon

Penstemon buckleyi

Buckley's penstemon

Penstemon clutei

Penstemon fendleri

Penstemon haydenii

Blowout penstemon

Penstemon jamesii

James' beardtongue

Penstemon laxiflorus

Nodding beardtongue

Penstemon tubaeflorus

Penstemon virens

Front range beardtongue

Penstemon abietinus

Penstemon alamosensis

Los alamos beardtongue

Penstemon dolius

Penstemon breviculus

Penstemon arenarius

Penstemon acuminatus

Sharpleaf penstemon