| Classification | Cyperaceae: Carex |
| Harvard University Herbaria Barcode(s) | 00217039 |
| Collector | H. St. John & G. E. Nichols |
| Collector number | 2172 |
| Country | United States of America |
| State | Maine |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Somerset County |
| Locality | T 2 & 4, R 18, Valley of the north branch of the Penobscot River |
| Date Collected | 1917-07-06 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2d447e20-4cd1-4d20-b7ee-26ba846f6dc8 |
| Harvard University Herbaria Barcode | 00217039 |
| Herbarium | NEBC |
| Family | Cyperaceae |
| Determination | Carex atratiformis Britton |
| Determination Remarks | Arev: Not a type [is filed under name] [is label name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
