Names
- Scientific name
- Penstemon secundiflorus var. caudatus
Taxonomy
- Taxonomic Rank
- Variety
- Author
- A.Nelson
- Publication
- Man. Bot. Rocky Mt. , ed. 2: 444 (1909)
- Synonym Of
-
Penstemon secundiflorus var. secundiflorus
References
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024