The Plant List — A working list for all plant species

⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record tro-5101518, and has not been changed.

M Haageocereus tenuispinus Rauh & Backeb. is a synonym of Haageocereus pacalaensis Backeb.

This name is a synonym of Haageocereus pacalaensis Backeb..

The record derives from Tropicos which reports it as a synonym (record 5101518) with original publication details: Stizungsber. Heidelberger Akad. Wiss., Math.-Naturwiss. Kl. 409 409 1958.