⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-403268, with some changes.

Calamagrostis purpurea f. viridis Kneuck. is a synonym of Calamagrostis purpurea (Trin.) Trin.

The record derives from WCSP which reports it as a synonym (record 403268) with original publication details: Allg. Bot. Z. Syst. 12: 202 1906.