| Classification | Potamogetonaceae: Potamogeton |
| Harvard University Herbaria Barcode(s) | 01695460 |
| Collector | [no data available] |
| Collector number | 312 |
| 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 | 1910-09-02 |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/100d0321-87db-42a2-b7f9-5febd5a36504 |
| Harvard University Herbaria Barcode | 01695460 |
| Herbarium | GH |
| Previous ownership | Ex Herbarium of W. S. Cooper, Detroit, Mich. |
| Family | Potamogetonaceae |
| Determination | Potamogeton praelongus Wulfen |
| Determined by | Haynes, Robert Ralph |
| Date Determined | 1979 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
