| Classification | Pontederiaceae: Heteranthera |
| Barcode(s) | 01919205 |
| Collector | C. N. Horn, M. T. Strong, & C. L. Kelloff |
| Collector number | 8629 |
| Country | United States of America |
| State | Virginia |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Virginia: Stafford County |
| Locality | Brent Marsh along Potomac River east of Co. rt 633, S of Co. rt 611 & N of Co. rt 658. N of Aquia Creek |
| Date Collected | 1994-09-05 |
| Habitat | in water about 1 m deep. Plants growing to and at water surface. At some places, emersed plants growing on sandy shores between low and high tide mark.; Tidal influence. |
| Container | Plants of Virginia, U.S.A. |
| Frequency | Common |
| Project | US and Canada - Mass Digitization |
| Remarks | Associated species include Elodea nuttalli (overwhelming dominant), Vallisneria americana, and Myriophyllum spicatum. 38° 27' 30" N |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fe0eba24-7de7-48d6-8b47-add9dd33ad16 |
| Harvard University Herbaria Barcode | 01919205 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of Newberry College |
| Family | Pontederiaceae |
| Determination | Heteranthera dubia MacMillan |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
