Calflora, a 501c3 non-profit
Distribution by County   2937    
Elymus glaucus  Buckley  ssp. glaucus 
Blue wild rye,   Blue wildrye,   Western rye grass
Elymus glaucus ssp. glaucus is a perennial grasslike herb that is native to California, and also found elsewhere in western North America.
also called Elymus glaucus ssp. jepsonii
Record Count by County

Alameda: 42 Lake: 14 Plumas: 26 Solano: 13
Alpine: 10 Lassen: 4 Riverside: 58 Sonoma: 40
Amador: 5 Los Angeles: 126 San Benito: 107 Stanislaus: 2
Butte: 41 Madera: 3 San Bernardino: 82 Sutter: 1
Calaveras: 5 Marin: 72 San Diego: 159 Tehama: 14
Colusa: 8 Mariposa: 32 San Francisco: 4 Trinity: 24
Contra Costa: 25 Mendocino: 33 San Luis Obispo: 39 Tulare: 85
Del Norte: 20 Modoc: 1 San Mateo: 75 Tuolumne: 9
El Dorado: 39 Mono: 10 Santa Barbara: 27 Ventura: 40
Fresno: 78 Monterey: 100 Santa Clara: 32 Yolo: 1
Glenn: 4 Napa: 14 Santa Cruz: 23 Yuba: 4
Humboldt: 27 Nevada: 20 Shasta: 18
Inyo: 1 Orange: 31 Sierra: 9
Kern: 18 Placer: 30 Siskiyou: 22

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]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 12/13/2025).