Calflora, a 501c3 non-profit
Distribution by County   7699    
Spartina alterniflora  Loisel.

(not an active name)
Salt water cord grass,   Smooth cordgrass
Spartina alterniflora is a perennial grasslike herb that is not native to California.
also called Sporobolus alterniflorus
Cal-IPC rating: high
Record Count by County

Alameda: 21 Napa: 1 Santa Clara: 1
Humboldt: 4 San Francisco: 2 Solano: 1
Marin: 11 San Mateo: 3 Sonoma: 2

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: 01/17/2026).