⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-281298, with some changes.
This name is a synonym of Maianthemum dilatatum (Alph.Wood) A.Nelson & J.F.Macbr..
The record derives from WCSP which reports it as a synonym (record 281298) with original publication details: Bot. Mag. (Tokyo) 31: 282 1917.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:538035-1.