| Classification | Sparganiaceae: Sparganium |
| Barcode(s) | 00967192 |
| 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 | Stow's ditch (near Cardinal) [Cardinal ditch was near Poorhouse] |
| Date Collected | 1856-07-26 |
| Remarks | ["Smaller bur-reed (Sparganium Americanum), judging from form of stigma (ovate and oblique), yet the leaves are almost entirely concave (!), Stow's ditch." Journal 8: 429. 1856. date derived from this Journal entry]
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| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b4a16b3a-1a9d-4765-996a-49f6e260c8f1 |
| Harvard University Herbaria Barcode | 00967192 |
| Herbarium | GH |
| Family | Sparganiaceae |
| Determination | Sparganium americanum Nuttall |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2017 |
| Determination Remarks | [current name] |
| Family | Sparganiaceae |
| Determination | InQuestion Sparganium simplex Hudson |
| Determination Remarks | [label name] |
| Subcollection | Thoreau Herbarium |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
