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U.S. Forest Service

The Slipper Orchids

Cypripedium candidum: White lady's slipper

The White lady's slipper occurs in Ontario Canada and in the eastern and central United States from New York west to North Dakota and from Minnesota south to Missouri and Kentucky. It is a prominent species of the Midewin National Tallgrass Prairie in Illinois.

the am's-head lady's slipper.Photo by Thomas G. Barnes, USDA-NRCS PLANTS Database.

Map of the range of Cypripedium candidum in North America.Courtesy of Flora of North America.

Cypripedium candidum grows in prairies where there is moisture but full sunlight. It can be found in limestone barrens and on forest edges. It even grows along railroad tracks.

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Cypripedium candidum in its habitat. Photo by Thomas G. Barnes, USDA-NRCS PLANTS Database.