| Classification | Haloragaceae: Myriophyllum |
| Harvard University Herbaria Barcode(s) | 01628021 |
| Collector | R. R. Tatnall |
| Collector number | 4220 |
| Country | United States of America |
| State | Virginia |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Virginia: Accomack County |
| Locality | Drummond's Ponds,3 miles NW of Accomac. |
| Date Collected | 1939-06-09 |
| Habitat | In outlet of Drummond's Ponds |
| Container | Flora of the Peninsula of Delaware, Maryland and Virginia |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4f2d6b14-5514-465f-9a91-1dc3aaddaf9c |
| Harvard University Herbaria Barcode | 01628021 |
| Herbarium | GH |
| Family | Haloragaceae |
| Determination | Myriophyllum pinnatum (Walter) Britton |
| Determined by | Scribailo, Robin W. & Alix, Mitchell S. |
| Date Determined | 2011-08-** |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
