⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-18401225, with some changes.
This name is a synonym of Maianthemum dilatatum (Alph.Wood) A.Nelson & J.F.Macbr..
The record derives from Tropicos which reports it as a synonym (record 18401225) with original publication details: Fl. W. Calif. (ed. 2) 109 109 1911.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:149421-2.