Reference:Fernald1909a
Revision as of 12:46, 20 August 2020 by imported>Unknown user
Verbatim text: Fernald, M. L. 1909. The North American species of Barbarea. Rhodora. 11: 134–141.
Author: Fernald, M.L.
Year: 1909
Title: The North American species of Barbarea
Journal: Rhodora
Volume: 11
Pages: 134–141