| Classification | Pontederiaceae: Heteranthera |
| Harvard University Herbaria Barcode(s) | 01919189 |
| Collector | G. E. Larson |
| Collector number | 9323 |
| Country | United States of America |
| State | South Dakota |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: South Dakota: Marshall County |
| Locality | NE 1/4; south end of South Red Iron Lake (a. k. a. Cottonwood Lake) |
| Date Collected | 1983-07-16 |
| Habitat | submerged in shallow water along shore |
| Container | Flora of South Dakota |
| Frequency | Occasional |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f7bfe856-d7df-45f0-95dd-2190ac4240b9 |
| Harvard University Herbaria Barcode | 01919189 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of South Dakota State University |
| Family | Pontederiaceae |
| Determination | Heteranthera dubia MacMillan |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
