| Name | Calamagrostis purpurascens var. laricina Louis-Marie |
| Authorship | Louis-Marie |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Calamagrostis purpurascens R. Brown |
| GUID | urn:lsid:ipni.org:names:40567-2 |
| Citation | 1946 Rev. Oka Agron. Inst. Agric. 20: 153 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Calamagrostis purpurascens var. laricina Louis-Marie |
| Identification made in | [no date] (1) |