logo Calflora, a 501c3 non-profit
Taxon  Report  
Cyperus rotundus  L.
Nutgrass
Cyperus rotundus is a perennial grasslike herb that is not native to California.
Siskiyou Del Norte Modoc Humboldt Shasta Lassen Trinity Plumas Tehama Butte Mendocino Glenn Sierra Yuba Lake Nevada Colusa Placer Sutter El Dorado Yolo Alpine Napa Sonoma Sacramento Mono Amador Solano Calaveras Tuolumne San Joaquin Marin Contra Costa Alameda Santa Cruz Mariposa Madera San Francisco San Mateo Merced Fresno Stanislaus Santa Clara Inyo San Benito Tulare Kings Monterey San Bernardino San Luis Obispo Kern Santa Barbara Ventura Los Angeles Riverside Orange San Diego Imperial
bloom graphic
Bloom Period
Genus: Cyperus
Family: Cyperaceae  
Category: angiosperm  
PLANTS group:Monocot
Jepson eFlora section: monocot

Toxicity: Major

Wetlands: Equally likely to occur in wetlands and non wetlands

Habitat: disturbed

Communities: wetland-riparian, weed, characteristic of disturbed places

Name Status:
Accepted by JEF + PLANTS
Information about  Cyperus rotundus from other sources

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2023. Berkeley, California: The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 06/06/2023).