| Classification | Potamogetonaceae: Potamogeton | 
| Barcode(s) | 01688374 | 
| Collector | C. B. Hellquist with [data not captured] | 
| Collector number | 15059 | 
| Country | United States of America | 
| State | Oklahoma | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Bryan County | 
| Locality | Durant Fish Hatchery, Armstrong, R9E, T6S, Sec. 11 | 
| Date Collected | 1981-07-17 | 
| Habitat | corner of largest holding pond | 
| Container | Flora of Oklahoma | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9e2451f6-9a13-4e49-86c3-4274879f9910 | 
| Harvard University Herbaria Barcode | 01688374 | 
| Herbarium | GH | 
| Previous ownership | [ex] Herbarium of Boston State College, Boston, Massachusetts; ex North Adams State College Herbarium (NASC); Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) | 
| Family | Potamogetonaceae | 
| Determination |  Potamogeton illinoensis Morong | 
| Determined by | Hellquist, Carl Barre | 
| Date Determined | 1988 | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |