Reference:Farrens1947a
Revision as of 12:34, 20 August 2020 by imported>Unknown user
Verbatim text: Farrens, B. M. 1947. A Taxonomic Study of the North American Species of Fritillaria. M.A. thesis. Stanford University.
Author: Farrens, B.M.
Year: 1947
Title: A Taxonomic Study of the North American Species of Fritillaria