Distribution: Occurring on both sides of the Cascades crest in Washington; British Columbia south to California.
Habitat: Forest understory from low to middle elevations.
Flowers: May-August
Origin: Native
Conservation Status: Not of concern
[none provided]
PNW Herbaria: Specimen records of Platanthera transversa in the Consortium of Pacific Northwest Herbaria database.
WA Flora Checklist: Platanthera transversa checklist entry.
E-Flora BC: Platanthera transversa atlas page.
CalPhotos: Platanthera transversa photos.
USDA Plants: Platanthera transversa information.