| Classification | Lemnaceae: Spirodela | 
| Harvard University Herbaria Barcode(s) | 00875162 | 
| Collector | A. S. Pease | 
| Collector number | 17155 | 
| Country | United States of America | 
| State | New Hampshire | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: New Hampshire: Coos County: Lancaster | 
| Locality | Lancaster | 
| Date Collected | 1918-07-25 [25 July, 1918] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bdf71184-19bd-11e6-b5e0-001ec9fd629b | 
| Harvard University Herbaria Barcode | 00875162 | 
| Herbarium | NEBC | 
| Family | Lemnaceae | 
| Determination | Spirodela polyrrhiza (Linnaeus) Schleiden | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |