Calflora, a 501c3 non-profit
Distribution by County   6658    
Poa annua  L.
Annual blue grass,   Annual bluegrass
Poa annua is an annual grasslike herb that is not native to California.
Record Count by County

Alameda: 59 Kern: 27 Placer: 17 Shasta: 17
Alpine: 1 Kings: 2 Plumas: 1 Sierra: 3
Amador: 5 Lake: 9 Riverside: 54 Siskiyou: 3
Butte: 66 Los Angeles: 118 Sacramento: 72 Solano: 15
Calaveras: 8 Madera: 5 San Benito: 14 Sonoma: 54
Colusa: 9 Marin: 100 San Bernardino: 42 Stanislaus: 11
Contra Costa: 34 Mariposa: 78 San Diego: 94 Sutter: 10
Del Norte: 2 Mendocino: 61 San Francisco: 75 Tehama: 35
El Dorado: 20 Merced: 38 San Joaquin: 8 Trinity: 4
Fresno: 43 Mono: 13 San Luis Obispo: 82 Tulare: 37
Glenn: 2 Monterey: 122 San Mateo: 94 Tuolumne: 123
Humboldt: 33 Napa: 15 Santa Barbara: 72 Ventura: 115
Imperial: 1 Nevada: 10 Santa Clara: 48 Yolo: 25
Inyo: 16 Orange: 50 Santa Cruz: 45 Yuba: 6

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).