Calflora, a 501c3 non-profit
Distribution by County   7154    
Rigiopappus leptocladus  A. Gray
Rigiopappus,   Wire weed,   Wireweed
Rigiopappus leptocladus is an annual herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 21 Lassen: 30 Placer: 2 Sonoma: 7
Butte: 5 Los Angeles: 30 Plumas: 14 Stanislaus: 4
Calaveras: 1 Madera: 2 Riverside: 1 Sutter: 1
Colusa: 35 Marin: 37 San Benito: 111 Tehama: 36
Contra Costa: 16 Mariposa: 8 San Luis Obispo: 50 Trinity: 17
El Dorado: 7 Mendocino: 30 San Mateo: 32 Tulare: 3
Fresno: 53 Merced: 2 Santa Barbara: 29 Tuolumne: 9
Glenn: 5 Modoc: 39 Santa Clara: 44 Ventura: 24
Humboldt: 6 Mono: 1 Shasta: 18 Yolo: 3
Inyo: 1 Monterey: 27 Sierra: 6
Kern: 57 Napa: 44 Siskiyou: 16
Lake: 50 Nevada: 5 Solano: 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: 09/09/2024).