| Classification | Brassicaceae: Cardamine | 
| Barcode(s) | 00983690 | 
| Collector | B. H. Long | 
| Collector number | 57097 | 
| Country | United States of America | 
| State | Maryland | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maryland: Cecil County | 
| Locality | shore of Northeast River fronting the village, Charlestown | 
| Date Collected | 1941-07-20 | 
| Habitat | sandy, gravelly, tidal shore of Northeast River | 
| Project | US and Canada - Mass Digitization | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/d59541f8-b4ae-4564-8d76-b6df457eb273 | 
| Harvard University Herbaria Barcode | 00983690 | 
| Herbarium | GH | 
| Previous ownership | [ex] The Academy of Natural Sciences of Philadelphia | 
| Family | Brassicaceae | 
| Determination |  Cardamine longii Fernald | 
| Determined by | Rollins, Reed Clark | 
| Date Determined | 1988 | 
| Determination Remarks |  [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |