⚠ Version 1 of The Plant List has been superseded.

This name is in version 1.1 of The Plant List, record kew-403254, with some changes.

Calamagrostis purpurascens subsp. tasuensis Calder& Roy L.Taylor is a synonym of Calamagrostis sesquiflora (Trin.) Tzvelev

This name is a synonym of Calamagrostis sesquiflora (Trin.) Tzvelev.

The record derives from WCSP which reports it as a synonym (record 403254) with original publication details: Canad. J. Bot. 43: 1388 1965.

Full publication details for this name can be found in IPNI: urn:lsid:ipni.org:names:40571-2.