⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-79353, and has not been changed.
This name is a synonym of Euphorbia lata Engelm..
The record derives from WCSP which reports it as a synonym and as an illegitimate name (record 79353) with original publication details: Pacif. Railr. Rep. Parke, Bot. 2: 175 1857.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:346282-1.