Calflora, a 501c3 non-profit
Distribution by County   2588    
Cyperus niger  Ruiz & Pav.
Black cyperus,   Black flatsedge,   Brown cyperus
Cyperus niger is a perennial grasslike herb that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Amador: 7 Madera: 2 Plumas: 2 Santa Cruz: 5
Butte: 65 Marin: 2 Riverside: 11 Shasta: 4
Contra Costa: 8 Mariposa: 2 Sacramento: 4 Solano: 1
El Dorado: 4 Mendocino: 5 San Benito: 3 Sonoma: 19
Fresno: 8 Merced: 5 San Bernardino: 28 Stanislaus: 2
Glenn: 1 Monterey: 2 San Diego: 17 Sutter: 2
Humboldt: 1 Napa: 4 San Luis Obispo: 17 Tehama: 14
Inyo: 4 Nevada: 5 San Mateo: 1 Yuba: 6
Kern: 7 Orange: 24 Santa Barbara: 2
Los Angeles: 6 Placer: 6 Santa Clara: 1

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).