| Harvard University Herbaria Barcode(s) | 01695475 |
| Collector | C. B. Hellquist & R. R. Haynes |
| Collector number | 12381 |
| Country | United States of America |
| State | Michigan |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Michigan: Presque Isle County |
| Locality | Ocqueoc Lake, ca. 14 mi NW of Rogers City, Secs. 19 & 30, T36N, R3E |
| Date Collected | 1977-08-05 |
| Habitat | pH 7.9, alkalinity 145.5 mg/l |
| Container | Flora of Michigan |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7e866bfa-156e-45ad-a7e7-a07a1621431a |
| Harvard University Herbaria Barcode | 01695475 |
| Herbarium | GH |
| Previous ownership | Ex Herbarium of Boston State College; Transferred from Massachusetts College of Liberal Arts Herbarium (NASC) |
| Determination | Potamogeton praelongus Wulfen |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
