| Classification | Brassicaceae: Physaria |
| Harvard University Herbaria Barcode(s) | 01573766 |
| Collector | J. W. Thieret & R. J. Reich |
| Collector number | 7284 |
| Country | Canada |
| State | Northwest Territories |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Northwest Territories |
| Locality | Along the Mackenzie River-Yellowknife Highway; Mile 66 S |
| Date Collected | 1961-07-04 |
| Habitat | Limestone escarpment above highway. Slope below summit covered with rock slabs and fragments. The few trees on slope are black and white spruce, Salix glauca, Betula papyrifera. Juniperus communis is occasional. Dryas integrifolia common. Many lichens on rocks. Mosses sometimes abundant in deeper crevices. |
| Container | Vegetation Survey Along the Mackenzie River-Yellowknife Highway, N.W.T., Canada |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/89cdc6e3-1451-4809-9603-32931a8fcdef |
| Harvard University Herbaria Barcode | 01573766 |
| Herbarium | GH |
| Previous ownership | [ex] Chicago Natural History Museum |
| Family | Brassicaceae |
| Determination | Physaria arctica (Wormskjold ex Hornemann) O'Kane & Al-Shehbaz |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
