| Classification | Pontederiaceae: Heteranthera |
| Harvard University Herbaria Barcode(s) | 01919185 |
| Collector | G. E. Larson |
| Collector number | 8569 |
| Country | United States of America |
| State | South Dakota |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: South Dakota: Bennett County |
| Locality | SE 1/4; LaCreek Nat'l Refuge |
| Locality Remarks | Submersed in ca. 0.5 m of water; shaded by solid algal mat |
| Date Collected | 1982-09-03 |
| Habitat | marsh |
| Container | Flora of South Dakota |
| Frequency | Common |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ed0e5377-9b9c-42d4-b32d-e0b298e36a3d |
| Harvard University Herbaria Barcode | 01919185 |
| 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 |
