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Penstemon scariosus var. albifluvis

Penstemon scariosus var. cyanomontanus

Penstemon scariosus var. garrettii

Penstemon scariosus var. scariosus

Penstemon pachyphyllus var. pachyphyllus

Penstemon patens

Penstemon pachyphyllus var. congestus

Penstemon secundiflorus var. versicolor

Penstemon scapoides

Narrow-leaved vetch

Penstemon sepalulus

Littlecup beardtongue

Penstemon speciosus

Royal penstemon

Penstemon thompsoniae

Thompson's beardtongue

Veronica copelandii

Copeland's speedwell

Penstemon wardii

Penstemon pseudospectabilis var. pseudospectabilis

Penstemon rydbergii var. aggregatus

Penstemon rattanii var. kleei

Penstemon rydbergii var. rydbergii

Penstemon subserratus

Penstemon rattanii var. rattanii