Taxa Count: 18

PLANTAGINACEAE

Penstemon albidus

Penstemon ambiguus

Penstemon angustifolius

Penstemon angustifolius var. angustifolius

Penstemon barbatus var. torreyi

Penstemon cobaea

Penstemon cyaneus

Penstemon fendleri

Penstemon glaber

Penstemon grandiflorus

Penstemon pallidus

Penstemon parryi

Penstemon pseudospectabilis

Penstemon pseudospectabilis subsp. connatifolius

Penstemon tenuiflorus

Penstemon virens

Penstemon whippleanus