| Name | Calamagrostis purpurascens R. Brown |
| Authorship | R. Brown |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Calamagrostis Adanson |
| Contains | Calamagrostis purpurascens var. laricina Louis-Marie Calamagrostis purpurascens var. maltei Polunin |
| GUID | urn:lsid:ipni.org:names:394763-1 |
| Citation | 1823 Bot. App. (Richardson) 731 |
| Holdings | 36 Specimens held in the Harvard University Herbaria identified as Calamagrostis purpurascens R. Brown |
| Identification made in | [no date] (23), 1979 (1), 1980 (3), 1981 (7), 1995 (2) |