Penstemon arkansanus 10% complete

Arkansas beardtongue

Pennell 1922 - Proc. Acad. Nat. Sci. Philadelphia 73: 493 (1921 publ. 1922)

Specifications

Images

Synonyms

Penstemon pallidus subsp. arkansanus (Pennell) R.W.Benn.

Penstemon wherryi Pennell

Penstemon multicaulis Pennell