Calflora
Distribution by County   3023    
Equisetum hyemale  L.  ssp. affine  (Engelm.) Calder & Roy L. Taylor
Giant scouring rush
Equisetum hyemale ssp. affine, a pteridophyte, is a fern that is native to California, and also found elsewhere in North America and beyond.

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: https://www.calflora.org/   (Accessed: 05/23/2022).