| Classification | Haloragaceae: Myriophyllum | 
| Harvard University Herbaria Barcode(s) | 01628415 | 
| Collector | C. B. Hellquist & C. E. Hellquist | 
| Collector number | 15089 | 
| Country | United States of America | 
| State | Oklahoma | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: Comanche County | 
| Locality | Quannah Parker Lake at Information Center [Wichita] Mountains National Wildlife Refuge, R14W, T3N. Sec. 23 | 
| Date Collected | 1981-07-20 | 
| Habitat | Quannah Parker Lake | 
| Container | Flora of Oklahoma | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b5680657-b874-4dfb-8c6e-157b0a4e4962 | 
| Harvard University Herbaria Barcode | 01628415 | 
| 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 | Haloragaceae | 
| Determination | Myriophyllum spicatum Linnaeus | 
| Determined by | E. N. Nelson & R. W. Couch | 
| Date Determined | 1984 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |