Calflora, a 501c3 non-profit
Distribution by County   140    
Agrostis capillaris  L.
Colonial bentgrass
Agrostis capillaris is a perennial grasslike herb that is not native to California.
Record Count by County

Alameda: 10 Lake: 1 Placer: 9 Santa Cruz: 8
Alpine: 1 Lassen: 3 Plumas: 13 Shasta: 4
Amador: 1 Marin: 24 Sacramento: 1 Sierra: 4
Butte: 8 Mariposa: 18 San Bernardino: 2 Siskiyou: 2
Contra Costa: 3 Mendocino: 33 San Diego: 1 Sonoma: 17
Del Norte: 5 Modoc: 4 San Francisco: 8 Tehama: 1
El Dorado: 8 Monterey: 16 San Luis Obispo: 1 Trinity: 2
Fresno: 2 Napa: 1 San Mateo: 21 Tuolumne: 1
Glenn: 1 Nevada: 6 Santa Barbara: 9 Ventura: 2
Humboldt: 23 Orange: 1 Santa Clara: 1 Yolo: 5

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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 01/22/2026).