| Harvard University Herbaria Barcode(s) | 01919261 | 
| Collector | R. R. Tatnall | 
| Collector number | 4381 | 
| Country | United States of America | 
| State | Delaware | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Delaware: New Castle County | 
| Locality | 2 3/4 miles southwest of Delaware City. | 
| Date Collected | 1939-09-05 | 
| Habitat | Muddy margin of swamp | 
| 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/e923f623-c311-4a8c-a025-5c72f0fbed58 | 
| Harvard University Herbaria Barcode | 01919261 | 
| Herbarium | GH | 
| Determination | Heteranthera reniformis Ruiz & Pavon | 
| Determined by | Horn, Charles N. | 
| Date Determined | 1995 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |