⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2802061, and has not been changed.
This name is a synonym of Eschscholzia californica subsp. mexicana .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bull. Calif. Acad. Sci. 1(3): 69 1885.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:672792-1
.