| Classification | Araceae: Acorus |
| Barcode(s) | 00562583 |
| 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 | Boston Basin Ecoregion: Mystic River Watershed. Middlesex Fells Reservation, northeast corner of small swamp east of Doleful Pond |
| Georeference | 42° 28' 5" N, 71° 5' 25" W |
| Date Collected | 2013-08-26 |
| Habitat | edge of red maple swamp and deep emergent marsh, flat terrain, almost full sun, |
| Container | Plants of Massachusetts |
| Substrate | wet muck soil |
| Remarks | a few plants, only population in Fells. Associates: Acer rubrum, Chelone glabra, Cuscuta gronovii, Impatiens capensis, Onoclea sensibilis,Phragmites australis, Rhus copallina, Viburnum dentatum var. lucidum |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e6b7b176-7f0b-4044-908e-c547068a4936 |
| Harvard University Herbaria Barcode | 00562583 |
| Herbarium | NEBC |
| Family | Araceae |
| Determination | Acorus calamus Linnaeus |
| Determination Remarks | [filed under] [label name] [current name] |
| Phenology | Sterile |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
