⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2791620, with some changes.

Epithelantha micromeris var. unguispina (Boed.) Backeb. is a synonym of Epithelantha micromeris subsp. unguispina (Boed.) N.P.Taylor

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Cactus (Paris) 39: 31 1954.