⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-37953, and has not been changed.
This name is a synonym of Euphorbia engelmannii Boiss..
The record derives from WCSP which reports it as a synonym (record 37953) with original publication details: Cas. Nár. Mus., Odd. Prír. 140: 169 1972.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:340622-1.