[200-?]

West Virginia Natural Heritage Program Herbarium
Catalog #: WVHP-0003150
Frank A. Gibert #s.n. 25 June 1940
Ranunculus ambigens S. Watson
United States, West Virginia, Mason, Muddy shore of McCollough's Pond, Ashton.

University of North Carolina at Chapel Hill Herbarium: Vascular Plants
Catalog #: NCU00229239
Gilbert, Frank A. #s.n. 25 June 1940
Ranunculus ambigens S. Watson
United States, West Virginia, Mason, McCollough's Pond, Ashton