Penstemon

Penstemon dasyphyllus

Cochise beardtongue

Penstemon richardsonii

Richardson's penstemon

Penstemon sudans

Penstemon putus

Penstemon imberbis

Penstemon petiolatus

Petiolate beardtongue

Penstemon superbus

Penstemon ovatus

Penstemon sepalulus

Littlecup beardtongue

Penstemon nudiflorus

Penstemon aridus

Stiffleaf penstemon

Penstemon laevis

Smooth penstemon

Penstemon strictiformis

Penstemon pseudoputus

Kaibab plateau beardtongue

Penstemon mucronatus

Penstemon immanifestus

Penstemon scapoides

Narrow-leaved vetch

Penstemon mensarum

Penstemon peckii

Penstemon oliganthus