| Classification | Potamogetonaceae: Potamogeton |
| Barcode(s) | 01688445 |
| Collector | G. E. Larson |
| Collector number | 6985 |
| Country | United States of America |
| State | South Dakota |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: South Dakota: Fall River County: Hot Springs (South Dakota) |
| Locality | 8 mi S, 4 mi W Hot Springs; Cascade Falls |
| Date Collected | 1981-09-12 |
| Habitat | Submerged with some floating leaves; in stream pools below falls; calcareous water |
| Container | Flora of South Dakota |
| Frequency | Common |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4aa11bfc-9833-48fa-94d8-5d85d92fe5a0 |
| Harvard University Herbaria Barcode | 01688445 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of South Dakota State University; Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) |
| Family | Potamogetonaceae |
| Determination | Potamogeton illinoensis Morong |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |