| Classification | Cyperaceae: Carex |
| Harvard University Herbaria Barcode(s) | 00267928 |
| Collector | H. D. Thoreau |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Concord |
| Locality | [Thoreau went to Owl Swamp on this date.] |
| Date Collected | 1859-06-11 |
| Elevation | 0 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e84f8ab1-1d0d-44a5-b983-99e4d7a1f3d2 |
| Harvard University Herbaria Barcode | 00267928 |
| Herbarium | NEBC |
| Previous ownership | Thoreau’s Herb. [Ex Herbarium of Henry David Thoreau (1817-1862)] Herbarium of Edward S. Hoar. Presented to the New England Botanical Club by Mrs. M. B. L. Bradford, 1912 |
| Family | Cyperaceae |
| Determination | Carex debilis var. rudgei L. H. Bailey |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2013 |
| Determination Remarks | [filed under] [current name] |
| Family | Cyperaceae |
| Determination | Carex debilis Michaux |
| Determined by | Standley, Lisa Anne |
| Date Determined | 1989 |
| Family | Cyperaceae |
| Determination | Carex debilis Michaux |
| Determined by | [H. D. Thoreau (scripsit) on original field label] |
| Determination Remarks | [label name] |
| Family | Cyperaceae |
| Determination | Carex debilis Michaux |
| Determined by | [E. S. Hoar (scripsit) transcription on sheet] |
| Family | Cyperaceae |
| Determination | Carex debilis var. rudgei L. H. Bailey |
| Determined by | [annotation on provenance label] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |