Calflora, a 501c3 non-profit
Distribution by County   2582    
Cyperus erythrorhizos  Muhl.
Red rooted cyperus,   Redroot flatsedge
Cyperus erythrorhizos is an annual grasslike herb that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Alameda: 7 Lake: 4 Sacramento: 8 Sonoma: 7
Butte: 42 Los Angeles: 14 San Benito: 2 Stanislaus: 5
Calaveras: 1 Madera: 2 San Bernardino: 8 Sutter: 1
Colusa: 12 Marin: 7 San Diego: 19 Tehama: 8
Contra Costa: 6 Mendocino: 10 San Joaquin: 1 Tulare: 2
Fresno: 2 Merced: 2 San Luis Obispo: 21 Ventura: 7
Glenn: 12 Monterey: 2 San Mateo: 19 Yolo: 5
Imperial: 9 Napa: 14 Santa Barbara: 19 Yuba: 7
Kern: 6 Orange: 10 Santa Clara: 14
Kings: 3 Riverside: 22 Santa Cruz: 10

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).