Calflora, a 501c3 non-profit
Distribution by County   10191    
Penstemon davidsonii  Greene
Davidson's penstemon
Penstemon davidsonii is a perennial herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Alpine: 4 Inyo: 33 Modoc: 4 Trinity: 4
Amador: 1 Lassen: 1 Mono: 74 Tulare: 33
El Dorado: 9 Madera: 5 Shasta: 35 Tuolumne: 43
Fresno: 18 Mariposa: 4 Siskiyou: 18

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2024. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 11/21/2024).