Calflora, a 501c3 non-profit
Distribution by County   10359    
Schoenoplectus pungens  (Vahl) Palla
Common threesquare
Schoenoplectus pungens is a perennial grasslike herb that is native to California.
Record Count by County

Alameda: 1 Lake: 2 Placer: 2 Shasta: 1
Butte: 1 Lassen: 8 Riverside: 7 Solano: 2
Colusa: 10 Los Angeles: 7 San Benito: 21 Sonoma: 12
Contra Costa: 5 Marin: 30 San Bernardino: 25 Stanislaus: 1
Fresno: 10 Mariposa: 1 San Diego: 46 Tehama: 3
Glenn: 1 Mendocino: 24 San Francisco: 13 Tulare: 1
Humboldt: 5 Merced: 2 San Luis Obispo: 61 Tuolumne: 2
Imperial: 7 Mono: 24 San Mateo: 31 Ventura: 17
Inyo: 24 Monterey: 25 Santa Barbara: 47 Yolo: 3
Kern: 11 Napa: 4 Santa Clara: 2
Kings: 1 Orange: 1 Santa Cruz: 13

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: 12/04/2024).