| Harvard University Herbaria Barcode(s) | 01572057 | 
| Collector | C. B. Hellquist & R. R. Haynes | 
| Collector number | 10802 | 
| Country | United States of America | 
| State | Michigan | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Cheboygan County | 
| Locality | Upper Black River 11.3 km north of Tower, Sect. 27-34, T35N, R2E | 
| Date Collected | 1975-08-04 | 
| Habitat | pH 8.6, alkalinity 159.0 mg/l | 
| Container | Flora of Michigan | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cc45cce6-e7d6-4e11-bc47-d1a3376bce21 | 
| Harvard University Herbaria Barcode | 01572057 | 
| Herbarium | GH | 
| Previous ownership | Ex Herbarium of Boston State College; Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) | 
| Determination | Potamogeton foliosus Rafinesque | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |