Penstemon caespitosus var. desertipicti (A.Nelson) N.H.Holmgren, 1979 6% complete

No common name

Holmgren NH (1979) Nomenclatural Changes in Some Intermountain Penstemons (Scrophulariaceae). Brittonia 31(1): 104-107. doi: 10.2307/2806680.