Penstemon filiformis
Plant species in the plantain family
general/penstemon
Penstemon penlandii
Coloradan plant species in the veronica family
general/penstemon
Penstemon floridus
Plant species in the veronica family
general/penstemon
Penstemon cinicola
Plant species in the plantain family
general/penstemon
Penstemon azureus
Plant species in the plantain family
general/penstemon
Penstemon barnebyi
Plant species in the plantain family
general/penstemon
Penstemon gracilentus
Plant species in the veronica family
general/penstemon
Penstemon grahamii
Species of flowering plant
general/penstemon
Penstemon fruticiformis
Plant species in the veronica family
general/penstemon
Penstemon deustus
Plant species in the plantain family
general/penstemon
Penstemon calcareus
Plant species in the plantain family
general/penstemon
Penstemon cyaneus
Plant species in the plantain family
general/penstemon
Penstemon scariosus
Plant species in the veronica family
general/penstemon
Penstemon pinorum
Species of flowering plant
general/penstemon
Penstemon gibbensii
Species of flowering plant
general/penstemon
Penstemon barrettiae
Species of flowering plant
general/penstemon
Penstemon
Genus of plants
general/penstemon
Penstemon clevelandii
Plant species in the plantain family
general/penstemon
Penstemon procerus
Species of flowering plant
general/penstemon
Penstemon caesius
Plant species in the plantain family
general/penstemon
Penstemon californicus
Species of flowering plant
general/penstemon
Penstemon navajoa
Species of flowering plant
general/penstemon
Penstemon anguineus
Plant species in the plantain family
general/penstemon
Penstemon acuminatus
Plant species in the plantain family
general/penstemon