⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-5108373, with some changes.

Wilcoxia tamaulipensis Werderm. is a synonym of Echinocereus poselgeri Lem.

This name is a synonym of Echinocereus poselgeri Lem..

The record derives from Tropicos which reports it as a synonym (record 5108373) with original publication details: Kakteenfr. 8: 86 86 1938.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:268607-2.