⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-5101530, with some changes.

Haageocereus setosus var. longicoma Backeb. is a synonym of Haageocereus multangularis (Haw.) F. Ritter

This name is a synonym of Haageocereus multangularis (Haw.) F. Ritter.

The record derives from Tropicos which reports it as a synonym (record 5101530) with original publication details: Cact. Succ. J. (Los Angeles) 19: 91 91 1947.