| Classification | Najadaceae: Zannichellia | 
| Barcode(s) | 01734407 | 
| Collector | R. John Taylor & C. E. S. Taylor | 
| Collector number | 31602 | 
| Country | United States of America | 
| State | Oklahoma | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Beaver County | 
| Locality | Clearwater Creek about 4.6 miles north of Elmwood at the US Hwy 270 bridge | 
| Date Collected | 1982-05-09 | 
| Habitat | from and along [creek] | 
| Container | Plants of Oklahoma | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/0bfd3994-edab-43f5-ac63-6868442284c0 | 
| Harvard University Herbaria Barcode | 01734407 | 
| Herbarium | GH | 
| Previous ownership | [ex] Herbarium, Southeastern Oklahoma State University | 
| Family | Najadaceae | 
| Determination |  Zannichellia palustris Linnaeus | 
| 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 |