| Classification | Potamogetonaceae: Potamogeton | 
| Harvard University Herbaria Barcode(s) | 01688143 | 
| Collector | R. R. Haynes | 
| Collector number | 3381 | 
| Country | United States of America | 
| State | Michigan | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Cheboygan County | 
| Locality | Center of Sect. 16 T37N R1W, Black River between its mouth and Alverno. | 
| Date Collected | 1970-07-29 | 
| Habitat | in cool, clear water ca. 3 ft. deep | 
| Container | Plants of Michigan | 
| Frequency | Uncommon | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5a545d35-137a-4269-89ba-b3caeb9559ea | 
| Harvard University Herbaria Barcode | 01688143 | 
| Herbarium | GH | 
| Previous ownership | Ex Herbarium of The Ohio State University | 
| Family | Potamogetonaceae | 
| Determination | Potamogeton haynesii Hellquist & G. E. Crow | 
| Determined by | Hellquist, Carl Barre | 
| Date Determined | 1985-08-** | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |