| Classification | Potamogetonaceae: Potamogeton | 
| Harvard University Herbaria Barcode(s) | 01695321 | 
| Collector | H. P. Sartwell | 
| Country | United States of America | 
| State | New York | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New York: Yates County: Penn Yan | 
| Locality | Penn Yan | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a20d5f76-8599-48f0-bd77-e5e08a7dc9e5 | 
| Harvard University Herbaria Barcode | 01695321 | 
| Herbarium | GH | 
| Previous ownership | Ex Herb. H. P. Sartwell, M. D.; Ex Herb. George Thurber | 
| 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 |