| Classification | Lemnaceae: Spirodela | 
| Harvard University Herbaria Barcode(s) | 00875138 | 
| Collector | M. L. Fernald & B. H. Long | 
| Collector number | 13161 | 
| Country | United States of America | 
| State | Maine | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Penobscot County: Hermon | 
| Locality | Hermon | 
| Date Collected | 1916-07-08 [July 8, 1916] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/4ca94c0e-19bd-11e6-b5e0-001ec9fd629b | 
| Harvard University Herbaria Barcode | 00875138 | 
| Herbarium | NEBC | 
| Family | Lemnaceae | 
| Determination | Spirodela polyrrhiza (Linnaeus) Schleiden | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |