Names
- Scientific name
- Penstemon alpinus f. riparius
Taxonomy
- Taxonomic Rank
- Form
- Author
- (A.Nelson) Pennell
- Publication
- Contr. U.S. Natl. Herb. 20: 349 (1920)
- Synonym Of
-
Penstemon glaber var. glaber
References
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024