Platanthera dilatata var. albiflora Platanthera dilatata var. dilatata Platanthera dilatata var. leucostachys
Limnorchis dilatata Orchis dilatata Piperia dilatata Platanthera hyperborea subsp. dilatata Platanthera hyperborea var. dilatata Habenaria dilatata Platanthera hyperborea subsp. dilatata
Taxonomic data from World Flora Online, accessed June 20, 2024