Reference:Brown1997a
Revision as of 03:12, 27 July 2019 by Unknown user (talk)
Verbatim text: Brown, P. M. 1997. Wild Orchids of the Northeastern United States: A Field Guide. Ithaca, N.Y.
Author: Brown, P.M.
Year: 1997
Title: Wild Orchids of the Northeastern United States: A Field Guide