This name is a synonym of Calamagrostis perplexa .
The record derives from WCSP
(data supplied on )
which reports it as a synonym (record
403209) with original publication details: Cornell Univ. Agric. Exp. Sta. Mem. 291: 11 1949.
This name was in version 1 of The Plant List, record kew-403209, and has not been changed.