| Classification | Sparganiaceae: Sparganium |
| Harvard University Herbaria Barcode(s) | 00415926 |
| Collector | B. T. Hamlin |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Stoneham |
| Locality | Mystic River Watershed, Middlesex Fells Reservation, just north of Medford-Stoneham line, west of Shiner Pool and east of Woodland Road |
| Georeference | 42° 26' 49.5" N, 71° 5' 32.3" W |
| Date Collected | 2009-07-17 |
| Elevation | 63 m |
| Habitat | Deep Emergent Marsh, full sun |
| Container | Plants of Massachusetts |
| Substrate | black muck soil |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ebff3fd0-eb0e-4b00-9509-c2974360680c |
| Harvard University Herbaria Barcode | 00415926 |
| Herbarium | NEBC |
| Family | Sparganiaceae |
| Determination | Sparganium americanum Nuttall |
| Determination Remarks | [filed under] [label name] [current name] |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
