⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-2825991, and has not been changed.

Giliastrum rigidulum subsp. acerosum (A.Gray) W.A.Weber is a synonym of Giliastrum acerosum (A.Gray) Rydb.

This name is a synonym of Giliastrum acerosum (A.Gray) Rydb..

The record derives from WCSP (in review) which reports it as a synonym with original publication details: Phytologia 51: 374 1982.