Distribution by County   284    
Amaranthus spinosus  L.
Spiny amaranth
Amaranthus spinosus, a dicot, is an annual herb that is not native to California.
Record Count by County

San Diego: 1 San Mateo: 4

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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 07/03/2022).