| Name | Carex canescens var. robustior Blytt ex Andersson |
| Authorship | Blytt ex Andersson |
| Rank | Variety |
| Placed in | Carex canescens Linnaeus |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Carex canescens var. robustior Blytt ex Andersson |
| Identification made in | 2000 (1) |