Calflora, a 501c3 non-profit
Distribution by County   4946    
Lolium perenne  L.

(not an active name)
English rye grass,   Perennial rye grass,   Perennial ryegrass
Lolium perenne is a perennial grasslike herb that is not native to California.
also called Festuca perennis
Record Count by County

Alameda: 61 Kern: 14 Placer: 22 Shasta: 7
Alpine: 1 Kings: 1 Plumas: 3 Sierra: 1
Amador: 7 Lake: 10 Riverside: 45 Solano: 13
Butte: 23 Los Angeles: 150 Sacramento: 38 Sonoma: 153
Calaveras: 16 Madera: 24 San Benito: 50 Stanislaus: 12
Colusa: 14 Marin: 543 San Bernardino: 31 Sutter: 7
Contra Costa: 47 Mariposa: 23 San Diego: 285 Tehama: 10
Del Norte: 2 Mendocino: 56 San Francisco: 61 Trinity: 16
El Dorado: 14 Merced: 26 San Joaquin: 2 Tulare: 68
Fresno: 38 Modoc: 2 San Luis Obispo: 123 Tuolumne: 9
Glenn: 3 Monterey: 111 San Mateo: 175 Ventura: 69
Humboldt: 53 Napa: 15 Santa Barbara: 165 Yolo: 17
Imperial: 2 Nevada: 10 Santa Clara: 197 Yuba: 16
Inyo: 3 Orange: 74 Santa Cruz: 95

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).