| Classification | Isoetaceae: Isoetes |
| Harvard University Herbaria Barcode(s) | 00668099 |
| Collector | G. R. Proctor |
| Collector number | 3681-b |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Middlesex County: Concord |
| Locality | Concord, Walden Pond, north shore |
| Date Collected | 1949-08-29 [August 29, 1949] |
| Habitat | Washed up on gravelly north shore |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/845a3c12-dc39-4cad-88b7-68683ac7fcbd |
| Harvard University Herbaria Barcode | 00668099 |
| Herbarium | NEBC |
| Family | Isoetaceae |
| Determination | Isoetes lacustris Linnaeus |
| Determination Remarks | [filed under] [current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
