Calflora, a 501c3 non-profit
Distribution by County   4441    
Juncus bufonius  L.
Common toad rush,   Toad rush
Juncus bufonius is an annual grasslike herb that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Alameda: 54 Lake: 21 Plumas: 54 Siskiyou: 2
Alpine: 3 Lassen: 35 Riverside: 210 Solano: 43
Amador: 13 Los Angeles: 168 Sacramento: 338 Sonoma: 122
Butte: 244 Madera: 26 San Benito: 30 Stanislaus: 4
Calaveras: 24 Marin: 232 San Bernardino: 196 Sutter: 14
Colusa: 25 Mariposa: 31 San Diego: 380 Tehama: 107
Contra Costa: 47 Mendocino: 73 San Francisco: 47 Trinity: 11
El Dorado: 35 Merced: 72 San Joaquin: 6 Tulare: 50
Fresno: 72 Modoc: 16 San Luis Obispo: 149 Tuolumne: 43
Glenn: 15 Mono: 26 San Mateo: 142 Ventura: 85
Humboldt: 33 Monterey: 143 Santa Barbara: 214 Yolo: 30
Imperial: 1 Napa: 39 Santa Clara: 50 Yuba: 24
Inyo: 11 Nevada: 48 Santa Cruz: 57
Kern: 57 Orange: 59 Shasta: 52
Kings: 1 Placer: 35 Sierra: 15

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).