Calflora, a 501c3 non-profit
Distribution by County   4389    
Iva hayesiana  A. Gray
San diego marsh elder,   San diego povertyweed
Iva hayesiana is a perennial herb that is native to California, and also found in Baja California.
California Rare Plant Rank: 2B.2 (rare, threatened, or endangered in CA; common elsewhere).
Record Count by County

Los Angeles: 2 Riverside: 1 Ventura: 3
Orange: 16 San Diego: 282

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).