| Classification | Pontederiaceae: Heteranthera |
| Barcode(s) | 01919127 |
| Collector | C. B. Hellquist |
| Collector number | 187 |
| Country | United States of America |
| State | New Jersey |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New Jersey: Union County |
| Locality | Passaic River, Summit |
| Date Collected | 1971-07-09 |
| Container | Flora of New Jersey |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/144bed99-103b-4ed0-9d55-ff80392004eb |
| Harvard University Herbaria Barcode | 01919127 |
| Herbarium | GH |
| Previous ownership | Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) |
| Family | Pontederiaceae |
| Determination | Heteranthera dubia MacMillan |
| Determined by | Hellquist, Carl Barre |
| Date Determined | 1976-03-01 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |