| Barcode(s) | 00954511 |
| Collector | L. A. Standley, K. Frost, Patricia Swain, D. McGrary, M. P. Charpentier, P. P. Grima & V. Kimball |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Pepperell |
| Locality | Heald Pond Conservation Land, South end of Heald Pond, 0.43 mi S of Heald Rd., 2.4 mi W of junction Rt 111 and Rt 113, along west shore of pond |
| Georeference | 42° 40' 1.26" N, 71° 38' 6.28" W |
| Date Collected | 2017-08-12 |
| Elevation | 110 m |
| Verbatim Elevation | 360 ft. |
| Habitat | Mucky emergent wetland |
| Project | New England Vascular Plants TCN |
| Remarks | with Calla palustris, Decodon verticillatus, Boehmeria cylindrica, Sparganium sp. |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e11efb42-a158-4e59-82e9-2b9b86302f66 |
| Harvard University Herbaria Barcode | 00954511 |
| Herbarium | NEBC |
| Determination | Penthorum sedoides Linnaeus |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
