| Classification | Juncaceae: Juncus |
| Harvard University Herbaria Barcode(s) | 00274036 |
| 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 | [Ald]er ditch [Great Meadows] |
| Date Collected | 1858-08-25 |
| Elevation | 0 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8f85a0f9-0560-4248-b79d-0f91ecf40f70 |
| Harvard University Herbaria Barcode | 00274036 |
| 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 | Juncaceae |
| Determination | Juncus canadensis J. Gay ex Laharpe |
| Determined by | [M. L. Fernald (scripsit) W. T., Kittredge, 2013] |
| Determination Remarks | [current name] |
| Family | Juncaceae |
| Determination | InQuestion Juncus scirpoides Lamarck |
| Determined by | [E. S. Hoar (scripsit) transcription on sheet] |
| Family | Juncaceae |
| Determination | InQuestion Juncus scirpoides Lamarck |
| Determined by | [H. D. Thoreau (scripsit) on original field label] |
| Determination Remarks | [label name] |
| Family | Juncaceae |
| Determination | InQuestion Juncus paradoxus E. Meyer |
| Determined by | [E. S. Hoar (scripsit) transcription on sheet] |
| Family | Juncaceae |
| Determination | InQuestion Juncus paradoxus E. Meyer |
| Determined by | [H. D. Thoreau (scripsit) on original field label] |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
