| Classification | Potamogetonaceae: Potamogeton |
| Harvard University Herbaria Barcode(s) | 01695457 |
| Collector | J. H. Ehlers |
| Collector number | 533 |
| Country | United States of America |
| State | Michigan |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Cheboygan County |
| Locality | Douglas Lake |
| Date Collected | 1917-07-19 |
| Habitat | In 10-15 feet of water |
| Container | Flora of the Douglas Lake Region |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/711d2a1e-839b-48d8-beb5-99b88423daba |
| Harvard University Herbaria Barcode | 01695457 |
| Herbarium | GH |
| Previous ownership | Ex Herbarium of The University of Michigan |
| Family | Potamogetonaceae |
| Determination | Potamogeton praelongus Wulfen |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
