Names
- Scientific name
- Penstemon regalis
Taxonomy
- Taxonomic Rank
- Species
- Author
- A.Nelson
- Publication
- Amer. J. Bot. 21: 578 (1934)
- Synonym Of
-
Penstemon cardinalis var. regalis
References
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024