Nomenclature: wfo-0001243928

Fl. N.W. Amer. [Howell] 1: 511. 1901 Thomas J. Howell (1842-1912)

Penstemon dayanus Howell Fl. N.W. Amer. : 511 (1901)

Nomenclatural References


Taxonomy: Synonym in 2022-06

Occurs in: 2018-07 : 2019-03 : 2019-05 : 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12 : 2024-06

Accepted name is: Penstemon eriantherus var. argillosus M.E.Jones

Placement