⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-292845, and has not been changed.
This name is a synonym of Maianthemum racemosum subsp. amplexicaule (Nutt.) LaFrankie.
The record derives from WCSP which reports it as a synonym (record 292845) with original publication details: Res. Stud. State Coll. Wash. 1: 97 1929.