| Classification | Alismataceae: Sagittaria |
| Barcode(s) | 00415996 |
| 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, south side of outlet of Dike Brook into North Reservoir |
| Georeference | 42° 27' 38" N, 71° 6' 34" W |
| Date Collected | 2009-08-31 |
| Elevation | 43 m |
| Habitat | growing in shallow water, part sun |
| Container | Plants of Massachusetts |
| Substrate | in black muck |
| Frequency | several plants |
| Remarks | Associates: Bidens discoidea, Eleocharis obtusa, Ludwigia repens, Lythrum salicaria. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2611c8c9-c4bd-47ba-8f2b-1d78386ab8a2 |
| Harvard University Herbaria Barcode | 00415996 |
| Herbarium | NEBC |
| Family | Alismataceae |
| Determination | Sagittaria graminea Michaux |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2009 |
| Determination Remarks | [filed under] [label name] [current name] |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
