⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2782543, and has not been changed.
Echinocereus chloranthus subsp. rhyolithensis
is a synonym
of Echinocereus chloranthus var. cylindricus
This name is a synonym of Echinocereus chloranthus var. cylindricus .
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Echinocereus Prepr.: 4 1998.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1001535-1.