Calflora, a 501c3 non-profit
Distribution by County   7501    
Senecio hydrophilus  Nutt.
Alkali marsh ragwort,   Water groundsel,   Water ragwort
Senecio hydrophilus is a perennial herb that is native to California, and also found elsewhere in western North America.
Record Count by County

Alameda: 1 Lassen: 10 Napa: 6 Sierra: 1
Contra Costa: 13 Madera: 1 Nevada: 13 Solano: 11
El Dorado: 3 Marin: 1 Placer: 6 Sonoma: 2
Fresno: 16 Mendocino: 2 Plumas: 11 Tehama: 4
Humboldt: 1 Modoc: 5 San Mateo: 6 Tuolumne: 3
Inyo: 3 Mono: 63 Santa Clara: 1
Lake: 2 Monterey: 1 Shasta: 6

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: 11/23/2024).