⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-293023, 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 293023) with original publication details: Ill. Fl. Pacific States 1: 453 1923.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:299287-2.