Cypripedium candidum (Photograph by C. Luer, courtesy of Swiss Orchid Foundation)
det. C. Luer
Photo by C. Luer
Location: U.S.A., Michigan, Livingston Co.
Date: June 1966
Book Author: Luer, Carlyle A.
Book Title: The native Orchids of the United States and Canada excluding Florida
Book Editor: Luer, Carlyle A.
Book Publisher: New York Botanical Garden
Publishing Year: 1975