Related species: Calamagrostis stricta ssp. inexpansa Calamagrostis stricta ssp. stricta
Counties: Alpine Del Norte El Dorado Fresno Humboldt Inyo Lassen Madera Marin Mariposa Mendocino Mono Monterey Placer Plumas San Benito Shasta Sierra Siskiyou Sonoma Tehama Tulare Tuolumne