⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2739590, and has not been changed.
This name is a synonym of Escobaria dasyacantha subsp. chaffeyi .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Bull. S. Calif. Acad. Sci. 30: 58 1931.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:66516-2
.