Calflora, a 501c3 non-profit
Distribution by County   162    
Aira caryophyllea  L.
Shiver grass,   Silver hairgrass,   Silvery hairgrass
Aira caryophyllea is an annual grasslike herb that is not native to California.
Record Count by County

Alameda: 29 Madera: 113 Sacramento: 389 Siskiyou: 1
Amador: 87 Marin: 558 San Benito: 209 Solano: 27
Butte: 204 Mariposa: 230 San Diego: 24 Sonoma: 246
Calaveras: 102 Mendocino: 82 San Francisco: 81 Stanislaus: 1
Colusa: 7 Merced: 2 San Joaquin: 2 Sutter: 12
Contra Costa: 45 Mono: 1 San Luis Obispo: 65 Tehama: 202
El Dorado: 113 Monterey: 176 San Mateo: 222 Trinity: 48
Fresno: 97 Napa: 25 Santa Barbara: 24 Tulare: 60
Humboldt: 79 Nevada: 25 Santa Clara: 51 Tuolumne: 204
Kern: 2 Placer: 55 Santa Cruz: 85 Ventura: 1
Lake: 27 Plumas: 5 Shasta: 41 Yolo: 3
Los Angeles: 1 Riverside: 5 Sierra: 3 Yuba: 35

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).