⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-50335536, with some changes.

Thelocactus bicolor var. bolaensis (Runge) A. Berger is a synonym of Thelocactus bicolor subsp. bolaensis (Runge) Doweld

The record derives from Tropicos which reports it as a synonym (record 50335536) with original publication details: 1929.