| Classification | Brassicaceae: Rorippa |
| Harvard University Herbaria Barcode(s) | 01692910 |
| Collector | A. E. Porsild |
| Collector number | 7225 |
| Country | Canada |
| State | Northwest Territories |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Northwest Territories |
| Locality | Mackenzie River delta: East branch, Lat. 68° 40' N. |
| Date Collected | 1934-08-10 |
| Habitat | alluvial riverbanks |
| Container | Flora of Northwest Territories |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/387aa9b3-128e-4043-9284-0adf390b3d58 |
| Harvard University Herbaria Barcode | 01692910 |
| Herbarium | GH |
| Previous ownership | [ex] National Herbarium of Canada; Dupl. ex. Herb. Nat. Mus. Canada |
| Family | Brassicaceae |
| Determination | Rorippa palustris var. williamsii (Britton) Hultén |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
