Penstemon barbatus var. torreyi (Benth.) A.Gray, 1862 6% complete

No common name

Proc. Amer. Acad. Arts 6: 59 (1862)

Specifications

Images

Synonyms

Penstemon barbatus f. torreyi (Benth.) Voss

Penstemon torreyi Benth.

Penstemon barbatus subsp. torreyi (Benth.) D.D.Keck