| Classification | Juncaceae: Juncus |
| Harvard University Herbaria Barcode(s) | 00274027 |
| 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 | Juncus of 2'[nd] Division [Brook] |
| Date Collected | 1860-06-14 |
| Elevation | 0 m |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c64b4f55-a061-47d1-8980-3368734fb0ac |
| Harvard University Herbaria Barcode | 00274027 |
| 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 arcticus var. balticus (Willdenow) Trautvetter |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2008-12-18 |
| Determination Remarks | [filed under] [current name] |
| Family | Juncaceae |
| Determination | Juncus balticus var. littoralis Engelmann |
| Determined by | M. L. Fernald (scripsit) on provenance label, W. T. Kittredge, 2013] |
| Family | Juncaceae |
| Determination | InQuestion Juncus filiformis Linnaeus |
| Determination Remarks | [label name] |
| Family | Juncaceae |
| Determination | Juncus balticus var. littoralis Engelmann |
| Determined by | [M. L. Fernald (scripsit) on provenance label] |
| Family | Juncaceae |
| Determination | InQuestion Juncus filiformis Linnaeus |
| Determined by | [H. D. Thoreau (scripsit) on original field label] |
| Determination Remarks | [label name] |
| Family | Juncaceae |
| Determination | InQuestion Juncus filiformis Linnaeus |
| Determined by | [E. S. Hoar (scripsit) transcription on sheet] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
