Penstemon

Penstemon patens

Penstemon pachyphyllus var. congestus

Penstemon speciosus

Royal penstemon

Penstemon scapoides

Narrow-leaved vetch

Penstemon sepalulus

Littlecup beardtongue

Penstemon thompsoniae

Thompson's beardtongue

Penstemon wardii

Penstemon secundiflorus var. versicolor

Penstemon pseudospectabilis var. pseudospectabilis

Penstemon ovatus

Penstemon parryi

Parry's beardtongue

Penstemon purpusii

Snow mountain beardtongue

Penstemon rydbergii var. aggregatus

Penstemon rattanii var. kleei

Penstemon rydbergii var. rydbergii

Penstemon subserratus

Penstemon rattanii var. rattanii

Penstemon secundiflorus var. secundiflorus

Penstemon triflorus var. triflorus

Penstemon spectabilis var. subviscosus