Reference:Case1987a
Verbatim text: Case, F. W. 1987. Orchids of the western Great Lakes region, rev. ed. Bull. Cranbrook Inst. Sci. 48.
Author: Case, F.W.
Year: 1987
Title: Orchids of the western Great Lakes region, rev. ed
Journal: Bull. Cranbrook Inst. Sci
Volume: 48