Penstemon humilis var. brevifolius 6% complete

No common name

A.Gray 1878 - Syn. Fl. N. Amer. 2(1): 267 (1878)

Specifications

Images

Synonyms

Penstemon brevifolius (A.Gray) A.Nelson

Penstemon humilis subsp. brevifolius (A.Gray) D.D.Keck