| Classification | Potamogetonaceae: Potamogeton | 
| Harvard University Herbaria Barcode(s) | 01695354 | 
| Collector | F. V. Coville | 
| Country | United States of America | 
| State | Maryland | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maryland | 
| Locality | Bay Cove, Carroll Island | 
| Date Collected | 1895-10-18 | 
| Habitat | Brackish water, on a muddy bottom. | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9eb5bb71-3b5f-4c4a-a69c-db9b1cef7aac | 
| Harvard University Herbaria Barcode | 01695354 | 
| Herbarium | GH | 
| Previous ownership | [ex] United States National Herbarium; [ex] Herbarium of Walter Deane Bequeathed to the Gray Herbarium Received August, 1930 | 
| Family | Potamogetonaceae | 
| Determination | Potamogeton perfoliatus Linnaeus | 
| Determined by | Haynes, Robert Ralph | 
| Date Determined | 1979 | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |