| Classification | Cyperaceae: Carex |
| Harvard University Herbaria Barcode(s) | 00027465 |
| Type Status | Holotype |
| Collector | E. B. Chamberlain, J. Murdock Jr., R. A. Ware, S. Rollins & O. W. Knight |
| Collector number | 5066 |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Somerset County: Pleasant Ridge Plantation |
| Locality | Jewett Brook Bog |
| Date Collected | 1906-07-05 |
| Habitat | Open mossy spots |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5dfdd095-13e7-4cc8-a8ab-ccef99cfb630 |
| Harvard University Herbaria Barcode | 00027465 |
| Herbarium | GH |
| Family | Cyperaceae |
| Type Status | Holotype |
| Holotype of | Carex trisperma var. billingsii O. W. Knight |
| Taxon Reference | (for Carex trisperma var. billingsii O. W. Knight) Rhodora 1906. 8: 185. |
| Family | Cyperaceae |
| Determination | Carex billingsii (O. W. Knight) Kirschbaum |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
