"Species Details - Platanthera dilatata (Pursh) Lindl. ex L. C. Beck var. albiflora (Cham.) Ledeb., University of Alberta Vascular Plant Herbarium." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/1-4579/12-14984. Accessed 03 Jul. 2025.
There is 1 specimen of this Species.