⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-371254, with some changes.

Platanthera hyperborea var. dilatata (Pursh) Kraenzl. is a synonym of Piperia dilatata (Pursh) Szlach. & Rutk.

This name is a synonym of Piperia dilatata (Pursh) Szlach. & Rutk..

The record derives from WCSP which reports it as a synonym (record 371254) with original publication details: Orchid. Gen. Sp. 642 1901.