| Classification | Brassicaceae: Rorippa | 
| Harvard University Herbaria Barcode(s) | 00022306 | 
| 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/0f2b8b38-1fb5-4ec2-a8af-b165663a75d5 | 
| Harvard University Herbaria Barcode | 00022306 | 
| Herbarium | NEBC | 
| Family | Brassicaceae | 
| Type Status | Isotype | 
| Isotype of | Rorippa islandica var. fernaldiana Butters & Abbe | 
| Verified by | R. L. Stuckey | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Rorippa islandica var. fernaldiana Butters & Abbe) Rhodora 1940. 42: 28. | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |