| Classification | Isoetaceae: Isoetes |
| Harvard University Herbaria Barcode(s) | 02074361 |
| Collector | D. M. Porter & H. K. Svenson |
| Collector number | 855 |
| Country | United States of America |
| State | Virginia |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Virginia: Southampton County |
| Locality | tributary of Blackwater River, 0.8 mile north of Unity toward Ivor. |
| Date Collected | 1963-05-14 |
| Habitat | Exposed banks of tributary of Blackwater River |
| Container | Plants of Virginia |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/16bb3f7d-f5b5-4f75-a849-60ca8e900ee4 |
| Harvard University Herbaria Barcode | 02074361 |
| Herbarium | GH |
| Family | Isoetaceae |
| Determination | Isoetes ×brittonii D. F. Brunton & W. C. Taylor |
| Determined by | Musselman, L. J. & Knepper, D. A. |
| Date Determined | 1993-02-** |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
