| Classification | Potamogetonaceae: Potamogeton |
| Harvard University Herbaria Barcode(s) | 01746130 |
| Collector | F. W. Pennell |
| Collector number | 5128 |
| Country | United States of America |
| State | Pennsylvania |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania: Chester County |
| Locality | along Big Elk Creek, Elkdale |
| Date Collected | 1913-07-26 |
| Habitat | Stagnant pool |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a2f89305-bdbd-432f-9863-e926f7d93c05 |
| Harvard University Herbaria Barcode | 01746130 |
| Herbarium | GH |
| Previous ownership | Ex Phil. Acad. |
| Family | Potamogetonaceae |
| Determination | Potamogeton pusillus subsp. tenuissimus (Mertens & Koch) R. R. Haynes & Hellquist |
| Determined by | Haynes, Robert Ralph |
| Date Determined | 1972 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
