Calflora, a 501c3 non-profit
Distribution by County   7239    
Ruppia maritima  L.
Ditch grass,   Ditchgrass or wigeon grass,   Widgeongrass
Ruppia maritima is a perennial herb (aquatic) that is native to California, and also found elsewhere in North America and beyond.
Record Count by County

Alameda: 5 Marin: 24 Plumas: 1 Santa Barbara: 48
Contra Costa: 3 Mendocino: 3 Riverside: 2 Santa Clara: 1
Humboldt: 4 Merced: 3 San Bernardino: 1 Solano: 7
Inyo: 14 Mono: 4 San Diego: 30 Sonoma: 4
Kern: 1 Monterey: 4 San Francisco: 1 Ventura: 13
Lake: 1 Napa: 2 San Luis Obispo: 20
Los Angeles: 14 Orange: 13 San Mateo: 3

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).