Fairy slipper has a circumboreal distribution. In North America, it occurs extensively across the United States and Canada, ranging from Alaska east to Newfoundland and south to California, New Mexico, and Michigan. Historic populations in New York and New Hampshire have been extirpated . The Flora of North America. provides a distributional map for fairy slipper.
Calypso bulbosa var. americana occurs throughout most of the general distribution of the species, except in Idaho, Oregon, and California. Calypso bulbosa var. occidentalis occurs in Montana, Idaho, Washington, Oregon, California, Alaska, and British Columbia .
No one has provided updates yet.