| Classification | Potamogetonaceae: Potamogeton | 
| Barcode(s) | 01746145 | 
| Collector | C. B. Hellquist & L. Crouch | 
| Collector number | 12690 | 
| Country | United States of America | 
| State | Oklahoma | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Bryan County | 
| Locality | ca. 3/4 mile south of Rte. 70 and 1/2 mile east along railroad ca. 4 1/2 miles east of Bennington, 1/2 mile west of Choctaw Co. line, Sec. 21, T6S, R13E | 
| Date Collected | 1978-06-14 | 
| Habitat | south side of beaver marsh | 
| Container | Flora of Oklahoma | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ce8b9f7d-0609-45a2-9808-7b19ec779369 | 
| Harvard University Herbaria Barcode | 01746145 | 
| 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 pusillus subsp. tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |