The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2712088, with some changes.

M Cereus merkeri (Hildm.) A.Berger is a synonym of Echinocereus enneacanthus Engelm.

This name is a synonym of Echinocereus enneacanthus Engelm..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Rep. (Annual) Missouri Bot. Gard. 16: 81 1905.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:53123-2.