| Classification | Isoetaceae: Isoetes |
| Barcode(s) | 02073093 |
| Collector | S. F. Blake |
| Collector number | 11521 |
| Country | United States of America |
| State | Virginia |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Virginia: Fairfax County |
| Locality | Occoquan Bay; Ft. Humphrey |
| Date Collected | 1932-07-30 |
| Habitat | Pebbly shore of Occoquan Bay, submerged at high tide |
| Container | Plants of Virginia |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/46b13d99-5755-446f-869c-215da07a4414 |
| Harvard University Herbaria Barcode | 02073093 |
| Herbarium | GH |
| Family | Isoetaceae |
| Determination | Isoetes riparia Engelmann |
| Determined by | Brunton, Daniel Francis |
| Date Determined | 1998-09-** |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |