| Classification | Marsileaceae: Marsilea |
| Harvard University Herbaria Barcode(s) | 00579739 |
| Collector | C. H. Knowlton |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Billerica |
| Locality | Billerica, Concord R. [River] |
| Date Collected | 1901-09-28 [Sept. 28, 1901] |
| Habitat | Shallow water |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/723f603b-82bc-42f4-beb6-36a7a09016e0 |
| Harvard University Herbaria Barcode | 00579739 |
| Herbarium | GH |
| Family | Marsileaceae |
| Determination | Marsilea quadrifolia Linnaeus |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
