| Classification | Pontederiaceae: Heteranthera | 
| Barcode(s) | 01919141 | 
| Collector | H. D. House | 
| Collector number | 23173 | 
| Country | United States of America | 
| State | New York | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Madison County | 
| Locality | South Leland Pond, Pecksport | 
| Date Collected | 1935-09-01 | 
| Habitat | Shallow water | 
| Container | Flora of New York | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/266793ed-5e78-4da0-94be-a7523e3e0d93 | 
| Harvard University Herbaria Barcode | 01919141 | 
| Herbarium | GH | 
| Previous ownership | Ex Herbarium N. Y. State Museum | 
| Family | Pontederiaceae | 
| Determination |  Heteranthera dubia MacMillan | 
| 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 |