Calflora, a 501c3 non-profit
Distribution by County   156    
Agrostis stolonifera  L.
Creeping bentgrass,   Redtop
Agrostis stolonifera is a perennial grasslike herb that is not native to California.
Cal-IPC rating: limited
Record Count by County

Alameda: 13 Lake: 6 Riverside: 9 Siskiyou: 31
Alpine: 12 Lassen: 16 Sacramento: 9 Solano: 5
Amador: 8 Los Angeles: 46 San Benito: 1 Sonoma: 37
Butte: 34 Marin: 24 San Bernardino: 69 Stanislaus: 2
Calaveras: 6 Mariposa: 92 San Diego: 38 Tehama: 12
Colusa: 1 Mendocino: 53 San Francisco: 27 Trinity: 14
Contra Costa: 6 Modoc: 14 San Joaquin: 1 Tulare: 14
Del Norte: 15 Mono: 36 San Luis Obispo: 34 Tuolumne: 12
El Dorado: 34 Monterey: 15 San Mateo: 22 Ventura: 24
Fresno: 3 Napa: 1 Santa Barbara: 31 Yolo: 8
Glenn: 3 Nevada: 34 Santa Clara: 16 Yuba: 8
Humboldt: 43 Orange: 5 Santa Cruz: 11
Inyo: 31 Placer: 20 Shasta: 21
Kern: 3 Plumas: 31 Sierra: 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]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 12/11/2025).