⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2739648, with some changes.
This name is a synonym of Escobaria chihuahuensis subsp. henricksonii .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Cact. Succ. J. (Los Angeles) 51: 125 1979.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:66557-2
.