⚠ Version 1 of The Plant List has been superseded.
This name is in version 1.1 of The Plant List, record kew-2712194, with some changes.
This name is a synonym of Echinocereus rigidissimus (Engelm.) F.Haage.
The record derives from WCSP (in review) which reports it as a synonym with original publication details: Syn. Cact. U.S. 23 1856.