Calflora, a 501c3 non-profit
Distribution by County   10785    
Athyrium distentifolium  Opiz  var. americanum  (Butters) Cronquist
American alpine lady fern
Athyrium distentifolium var. americanum is a fern that is native to California.

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: 06/12/2024).