Penstemon

Penstemon wrightii

Penstemon yampaensis

Penstemon penlandii

Penstemon compactus

Penstemon × parishii

Penstemon ammophilus

Penstemon distans

Penstemon floribundus

Penstemon longiflorus

Penstemon pinorum

Penstemon strictiformis

Penstemon sudans

Penstemon brevibarbatus

Penstemon bradburyi

Penstemon perfoliatus

Penstemon absarokensis

Penstemon flowersii

Penstemon gibbensii

Penstemon hidalgensis

Penstemon acuminatus

Sharpleaf penstemon