Reference:Fernald1931a
Verbatim text: Fernald, M. L. 1931. Potentilla canadensis and P. simplex. Rhodora 33: 180–191.
Author: Fernald, M.L.
Year: 1931
Title: Potentilla canadensis and P. simplex
Journal: Rhodora
Volume: 33
Pages: 180–191