Calflora, a 501c3 non-profit
Distribution by County   11973    
Ranunculus canus  Benth.  var. ludovicianus  (Greene) L. D. Benson
Hartweg's buttercup
Ranunculus canus var. ludovicianus is a perennial herb 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]. 2022. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: 10/04/2022).