| Classification | Isoetaceae: Isoetes |
| Barcode(s) | 00744660 |
| Collector | E. F. Williams |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Franklin County: Ashfield |
| Locality | Ashfield |
| Date Collected | 1909-07-18 [July 18, 1909] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/96f2aa3d-0865-44ec-b63f-7237d03a4a8e |
| Harvard University Herbaria Barcode | 00744660 |
| Herbarium | GH |
| Family | Isoetaceae |
| Determination | Isoetes echinospora Durieu |
| Determination Remarks | [filed under] [current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |