| Classification | Saxifragales: Penthoraceae: Penthorum |
| Barcode(s) | 00282679 |
| 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: Medford |
| Locality | Mystic River Watershed, Middlesex Fells Reservation, on south side of South Reservoir dam along west side of dirt road north of gate 12 |
| Georeference | 42.44, -71.12125 Method: Unknown |
| Date Collected | 2008-08-29 |
| Elevation | 47 m |
| Habitat | Shallow man-made pond, emergent growing from margin out to 2-3 feet of water in full sun, abundant |
| Vernacular Name | Ditch Stonecrop |
| Remarks | Associates: Cephalanthus occidentalis, Lythrum salicaria, Onoclea sensibilis, Persicaria hydropiperoides, Salix sp., Sparganium americanum |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b63d3807-1b55-4b75-81b4-fc391de773f7 |
| Harvard University Herbaria Barcode | 00282679 |
| Herbarium | NEBC |
| Family | Penthoraceae |
| Determination | Penthorum sedoides Linnaeus |
| Determination Remarks | [filed under] [label name] [current name] |
| Sex | not determined |
| Phenology | FlowerAndFruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |