| Harvard University Herbaria Barcode(s) | 01628239 | 
| Collector | C. B. Hellquist & R. R. Haynes | 
| Collector number | 12177 | 
| Country | United States of America | 
| State | Michigan | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Ogemaw County | 
| Locality | eastern end of Hardwood Lake ca. 12.0 miles E-SE. of West Branch NW 1/4, Sec. 6, T21N, R4E | 
| Date Collected | 1977-07-08 | 
| Habitat | pH 8.1, alkalinity 136.0 mg/l | 
| Container | Flora of Michigan | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c75d32d7-3dc0-415d-977d-364ce23ec23c | 
| Harvard University Herbaria Barcode | 01628239 | 
| Herbarium | GH | 
| Previous ownership | Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) | 
| Determination | Myriophyllum sibiricum Komarov | 
| Determined by | Hellquist, Carl Barre | 
| Date Determined | 1989-12-** | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |