Penstemon

Penstemon nitidus var. polyphyllus

Penstemon pseudospectabilis subsp. pseudospectabilis

Penstemon palmeri

Palmer penstemon

Penstemon perpulcher

Minidoka beardtongue

Penstemon putus

Penstemon rattanii subsp. rattanii

Penstemon rhizomatosus

Penstemon roezlii

Roezl's penstemon

Penstemon tiehmii

Penstemon triflorus subsp. triflorus

Penstemon rydbergii

Rydberg's beardtongue

Penstemon stephensii

Stephens's beardtongue

Penstemon tenuis

Sharpsepal beardtongue

Penstemon thurberi

Thurber's beardtongue

Penstemon tubiflorus var. achoreus

Penstemon tusharensis

Penstemon virgatus subsp. asa-grayi

Penstemon virgatus

Upright blue beardtongue