Distribution: Occurring east of the Cascades crest in Washington; Alaska to Washington, east to the Rocky Mountains, east across Canada to the Great Lakes region and eastern North America.
Origin: Native
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Calypso bulbosa var. americana in the Consortium of Pacific Northwest Herbaria database
WA Flora Checklist: Calypso bulbosa var. americana checklist entry
OregonFlora: Calypso bulbosa var. americana information
E-Flora BC: Calypso bulbosa var. americana atlas page
CalPhotos: Calypso bulbosa var. americana photos