Calflora, a 501c3 non-profit
Distribution by County   9696    
Arnica ×diversifolia  Greene

(not an active name)

Rayless arnica
Arnica ×diversifolia is a perennial herb that is native to California, and also found elsewhere in North America and beyond.
also called Arnica ovata

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: 11/23/2024).