| Classification | Haloragaceae: Myriophyllum |
| Harvard University Herbaria Barcode(s) | 01626997 |
| Collector | C. B. Hellquist & L. Crouch |
| Collector number | 12948 |
| Country | United States of America |
| State | Oklahoma |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Oklahoma: McCurtain County |
| Locality | on the west side of Rtes. 87 & 259 at the extreme SW 1/4 of Sec. 32, T8S, R24E |
| Date Collected | 1978-07-12 |
| Habitat | marsh |
| Container | Flora of Oklahoma |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c0826945-e4bb-4c86-b6f4-c74348ee2e22 |
| Harvard University Herbaria Barcode | 01626997 |
| Herbarium | GH |
| Previous ownership | [ex] Herbarium of Boston State College, Boston, Massachusetts; Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) |
| Family | Haloragaceae |
| Determination | Myriophyllum pinnatum (Walter) Britton |
| Determined by | E. N. Nelson & R. W. Couch |
| Date Determined | 1984 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
