| Classification | Pontederiaceae: Heteranthera |
| Harvard University Herbaria Barcode(s) | 01919187 |
| Collector | G. E. Larson |
| Collector number | 6995 |
| Country | United States of America |
| State | South Dakota |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: South Dakota: Jackson County |
| Locality | 3.5 mi N, 5.5 mi E Belvedere; Freeman Dam just north of Midland I-90 Interchange |
| Locality Remarks | Submerged and anchored in 6-24" of water |
| Date Collected | 1981-09-13 |
| Habitat | muddy botton [bottom] |
| Container | Flora of South Dakota |
| Frequency | Common |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2537e798-72a1-4a5d-ad07-93a0de479b7e |
| Harvard University Herbaria Barcode | 01919187 |
| 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 |
