⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record tro-5105303, with some changes.
This name is a synonym of Echinocereus polyacanthus var. densus .
The record derives from Tropicos which reports it as a synonym (record 5105303
) with original publication details: Handb. Cacteenk. (ed. 2) 798 798 1885.
Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:1036183-2
.