Penstemon

Penstemon heterophyllus

Bunchleaf penstemon

Penstemon labrosus

San gabriel beardtongue

Penstemon laetus

Gay penstemon

Penstemon laevigatus

Eastern smooth beardtongue

Penstemon laricifolius

Penstemon laxus

Penstemon linarioides

Siler's penstemon

Penstemon marcusii

Penstemon moffatii

Penstemon palmeri

Palmer penstemon

Penstemon parryi

Parry's beardtongue

Penstemon perpulcher

Minidoka beardtongue

Penstemon pseudoputus

Kaibab plateau beardtongue

Penstemon pseudospectabilis

Desert penstemon

Penstemon radicosus

Penstemon rattanii

Rattan's beardtongue

Penstemon rupicola

Cliff beardtongue

Penstemon speciosus

Royal penstemon

Penstemon spectabilis

Showy penstemon

Penstemon stenophyllus