| Classification | Potamogetonaceae: Potamogeton | 
| Harvard University Herbaria Barcode(s) | 00712197 | 
| Collector | M. L. Fernald, F. W. Hunnewell & B. H. Long | 
| Collector number | 8448 | 
| Country | United States of America | 
| State | Rhode Island | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Rhode Island | 
| Locality | Block Island | 
| Date Collected | 1913-08-20 [August 20, 1913] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/18e61e69-7e5e-4e73-9843-7c7b104da2ec | 
| Harvard University Herbaria Barcode | 00712197 | 
| Herbarium | NEBC | 
| Family | Potamogetonaceae | 
| Determination | Potamogeton pusillus var. tenuissimus Mertens & Koch | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |