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 Los Angeles: 1 Sacramento: 391 Siskiyou: 10
Amador: 87 Madera: 111 San Benito: 209 Solano: 25
Butte: 203 Marin: 559 San Diego: 21 Sonoma: 246
Calaveras: 102 Mariposa: 229 San Francisco: 81 Stanislaus: 1
Colusa: 6 Mendocino: 81 San Joaquin: 2 Sutter: 12
Contra Costa: 45 Merced: 2 San Luis Obispo: 66 Tehama: 201
Del Norte: 22 Monterey: 179 San Mateo: 217 Trinity: 48
El Dorado: 112 Napa: 26 Santa Barbara: 24 Tulare: 60
Fresno: 97 Nevada: 24 Santa Clara: 50 Tuolumne: 203
Humboldt: 99 Placer: 58 Santa Cruz: 84 Ventura: 1
Kern: 2 Plumas: 5 Shasta: 43 Yolo: 4
Lake: 27 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: 04/24/2024).