Names
- Scientific name
- Penstemon triphyllus subsp. diphyllus
Taxonomy
- Taxonomic Rank
- Subspecies
- Author
- (Rydb.) D.D.Keck
- Publication
- Univ. Calif. Publ. Bot. 16: 422 (1932)
- Synonym Of
-
Penstemon diphyllus
References
World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024