New Names: Penstemon azureus ssp. angustissimus
Parent species: Penstemon azureus
Synonyms: Penstemon azureus ssp. angustissimus
Counties: Amador Butte Calaveras El Dorado Fresno Glenn Humboldt Madera Mariposa Mendocino Nevada Placer Sacramento Shasta Siskiyou Tehama Tuolumne Yuba