| Classification | Brassicaceae: Rorippa | 
| Harvard University Herbaria Barcode(s) | 00019476 | 
| Type Status | Isotype | 
| Collector | M. L. Fernald | 
| Country | United States of America | 
| State | Maine | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine: Aroostook County: Fort Fairfield | 
| Date Collected | 1893-07-06 | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6e692662-1567-46ef-8c65-6e3e05c5064c | 
| Harvard University Herbaria Barcode | 00019476 | 
| Herbarium | GH | 
| Family | Brassicaceae | 
| Type Status | Isotype | 
| Isotype of | Rorippa islandica var. fernaldiana Butters & Abbe | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Rorippa islandica var. fernaldiana Butters & Abbe) Rhodora 1940. 42: 28. | 
| Sex | not determined | 
| Phenology | FlowerAndFruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |