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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

Penstemon secundiflorus var. secundiflorus

Penstemon triflorus var. triflorus

Penstemon spectabilis var. subviscosus

Penstemon parryi

Parry's beardtongue

Penstemon purpusii

Snow mountain beardtongue

Penstemon scariosus

Plateau penstemon

Senna pistaciifolia

Penstemon ovatus

Penstemon subulatus

Penstemon washingtonensis