| Classification | Alismataceae: Alisma |
| Barcode(s) | 00558782 |
| 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: Melrose |
| Locality | Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, Shilly Shally Brook on east side of Fellsway East near gate 52, 8-10 m. from road |
| Georeference | 42° 26' 37" N, 71° 4' 44" W |
| Date Collected | 2013-08-21 |
| Habitat | swampy ditch, part shade, |
| Container | Plants of Massachusetts |
| Substrate | wet muck soil, |
| Remarks | three large plants. Associates: Aronia floribunda, Cicuta maculata, Clethra alnifolia,Persicaria arifolia, Phragmites australis, Sparganium americanum, Viburnum dentatum var. lucidum |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1382de08-bfb0-4edf-8e25-7f89847a4b52 |
| Harvard University Herbaria Barcode | 00558782 |
| Herbarium | NEBC |
| Family | Alismataceae |
| Determination | Alisma subcordatum Pursh |
| Determination Remarks | [filed under] [label name] [current name] |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
