| golden-beard penstemon, Penstemon barbatus; scarlet bugler, Penstemon centranthifolius; red shrubby penstemon, redwood penstemon; Platte River penstemon, Penstemon cyananthus; Davidson's penstemon, Penstemon davidsonii; hot-rock penstemon, Penstemon deustus; Jones' penstemon, Penstemon dolius; shrubby penstemon, lowbush penstemon, Penstemon fruticosus; narrow-leaf penstemon, Penstemon linarioides; mountain pride, Penstemon newberryi; balloon flower, scented penstemon, Penstemon palmeri; Parry's penstemon, Penstemon parryi; rock penstemon, cliff penstemon, Penstemon rupicola; Rydberg's penstemon, Penstemon rydbergii; cascade penstemon, Penstemon serrulatus; Whipple's penstemon, Penstemon whippleanus |