Children (6 direct children, 6 direct and indirect children):
Penstemon angustifolius subsp. venosus
Penstemon angustifolius var. vernalensis
Penstemon angustifolius var. caudatus
Penstemon angustifolius var. venosus
Penstemon angustifolius var. angustifolius
Penstemon angustifolius var. dulcis