Nomenclature: wfo-0001395347

Contr. U.S. Natl. Herb. 4: 169. 1893 as Pentstemon David Douglas (1799-1834) Frederick Vernon Coville (1867-1937) Robert Graham (1786-1845)

Penstemon confertus var. procerus (Douglas ex Graham) Coville Contr. U.S. Natl. Herb. 4: 169 (1893)

Nomenclatural References


Taxonomy: Unplaced in 2022-12

Occurs in: 2021-12 : 2022-06 : 2022-12 : 2023-06 : 2023-12

Associated Names

These are genera with the same genus name in this classification but a taxonomist hasn't confirmed this as a good taxon or synonym.