| Classification | Hydrocharitaceae: Vallisneria | 
| Harvard University Herbaria Barcode(s) | 00635133 | 
| Collector | M. L. Fernald & B. H. Long | 
| Collector number | 17819 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Barnstable County: Chatham | 
| Locality | Chatham | 
| Date Collected | 1919-08-14 [August 14, 1919] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5ea63360-194d-11e6-b5e0-001ec9fd629b | 
| Harvard University Herbaria Barcode | 00635133 | 
| Herbarium | NEBC | 
| Family | Hydrocharitaceae | 
| Determination | Vallisneria americana Michaux | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |