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Distribution by County   11820    
Marah fabacea  (Naudin) Greene
California man-root
Marah fabacea is a perennial herb or vine that is native to California, and endemic (limited) to California.
Record Count by County

Alameda: 102 Lassen: 1 Riverside: 5 Sierra: 1
Amador: 6 Los Angeles: 43 Sacramento: 45 Solano: 30
Butte: 63 Marin: 356 San Benito: 460 Sonoma: 89
Calaveras: 7 Mariposa: 42 San Bernardino: 2 Stanislaus: 20
Colusa: 11 Mendocino: 33 San Diego: 3 Sutter: 8
Contra Costa: 112 Merced: 12 San Francisco: 163 Tehama: 37
El Dorado: 5 Modoc: 2 San Joaquin: 7 Trinity: 5
Fresno: 59 Monterey: 230 San Luis Obispo: 283 Tulare: 14
Glenn: 6 Napa: 42 San Mateo: 373 Tuolumne: 9
Humboldt: 2 Nevada: 12 Santa Barbara: 149 Ventura: 61
Kern: 32 Orange: 2 Santa Clara: 147 Yolo: 29
Kings: 4 Placer: 18 Santa Cruz: 94 Yuba: 13
Lake: 7 Plumas: 1 Shasta: 25

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]. 2026. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/   (Accessed: 06/10/2026).