| Barcode(s) | 01688961 |
| Collector | C. B. Hellquist & L. Crouch |
| Collector number | 12559 |
| Country | United States of America |
| State | Oklahoma |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Marshall County |
| Locality | on south side of Rte. 70, west of Madill |
| Date Collected | 1978-06-07 |
| Habitat | small farm pond |
| Container | Flora of Oklahoma |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7313a89f-01c2-49ae-85b2-4828548f3da5 |
| Harvard University Herbaria Barcode | 01688961 |
| 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) |
| Determination | Potamogeton nodosus Poiret |
| Determined by | Hellquist, Carl Barre |
| Date Determined | 1989 |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
