| Classification | Potamogetonaceae: Potamogeton | 
| Harvard University Herbaria Barcode(s) | 00449452 | 
| Collector | W. S. Cooper | 
| Collector number | 254 in pt. | 
| Country | United States of America | 
| State | Michigan | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Keweenaw County: Isle Royale | 
| Locality | Isle Royale | 
| Date Collected | 1910-08-23 | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7880d9b7-6860-4523-ab3d-4e0f5809b30f | 
| Harvard University Herbaria Barcode | 00449452 | 
| Herbarium | GH | 
| Family | Potamogetonaceae | 
| Determination | Potamogeton alpinus var. tenuifolius (Rafinesque) Ogden | 
| Determined by | Ogden, Eugene Cecil | 
| Date Determined | 1938 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |