⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-5101503, with some changes.

Haageocereus versicolor var. xanthacanthus (Werderm. & Backeb.) Backeb. is a synonym of Haageocereus versicolor (Werderm. & Backeb.) Backeb.

This name is a synonym of Haageocereus versicolor (Werderm. & Backeb.) Backeb..

The record derives from Tropicos which reports it as a synonym (record 5101503) with original publication details: Blätt. Kakteenf. 1936.