| Classification | Cyperaceae: Eleocharis | 
| Harvard University Herbaria Barcode(s) | 00717856 | 
| Collector | M. L. Fernald | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Tewksbury | 
| Locality | border of Round Pond, Tewksbury | 
| Date Collected | 1909-09-18 [Sept. 18, 1909] | 
| Habitat | In Sphagnum, overlying sand | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4c78cc1b-52aa-4455-aa95-221478390478 | 
| Harvard University Herbaria Barcode | 00717856 | 
| Herbarium | GH | 
| Family | Cyperaceae | 
| Determination | Eleocharis tuberculosa f. retrorsa Svenson | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |