Parent species: Penstemon davidsonii
Plant Communities: Subalpine Forest Alpine Fell-fields
Synonyms: Penstemon menziesii ssp. davidsonii Penstemon menziesii ssp. thompsonii
Counties: Alpine Del Norte El Dorado Fresno Inyo Lassen Madera Mariposa Mono Modoc Shasta Siskiyou Trinity Tulare Tuolumne