⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-292853, 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 292853) with original publication details: Canad. Field-Naturalist 65: 14 1951.