⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-403209, and has not been changed.

Calamagrostis porteri subsp. perplexa (Scribn.) Clausen is a synonym of Calamagrostis perplexa Scribn.

This name is a synonym of Calamagrostis perplexa Scribn..

The record derives from WCSP which reports it as a synonym (record 403209) with original publication details: Cornell Univ. Agric. Exp. Sta. Mem. 291: 11 1949.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:40557-2.