| Classification | Brassicaceae: Lesquerella |
| Classification 1 | Brassicaceae: Physaria |
| Classification 2 | Brassicaceae: Vesicaria |
| Classification 3 | Brassicaceae: Alyssum |
| Harvard University Herbaria Barcode(s) | 00019269 |
| Type Status | Lectotype |
| Collector | F. T. Pursh |
| Country | Canada |
| State | Quebec Province |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Quebec Province |
| Locality | Island of Anticosti |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/a5532eb0-726c-4b9c-ad77-d9f3c97e1eef |
| Harvard University Herbaria Barcode | 00019269 |
| Herbarium | GH |
| Previous ownership | ex Herb. Shepard - Pursh coll., ex Herb. G. Thurber |
| Family | Brassicaceae |
| Type Status | Lectotype |
| Lectotype of | Lesquerella arctica var. purshii S. Watson |
| Verified by | W. T. Kittredge |
| Date Determined | 2009 |
| Taxon Reference | (for Lesquerella arctica var. purshii S. Watson) Proc. Amer. Acad. Arts 1888. 23: 254. |
| Family | Brassicaceae |
| Determination | Physaria arctica (Wormskjold ex Hornemann) O'Kane & Al-Shehbaz |
| Determined by | W. T. Kittredge |
| Date Determined | 2009 |
| Determination Remarks | [current name] |
| Family | Brassicaceae |
| Determination | Vesicaria |
| Determined by | A. Gray |
| Determination Remarks | [current name] |
| Annotation Text | n. sp. allied to V. arctica of Dr. Richardson, but different |
| Family | Brassicaceae |
| Determination | Lesquerella purshii (S. Watson) Fernald |
| Determined by | M. L. Fernald |
| Determination Remarks | [M. L. Fernald (scripsit)] |
| Annotation Text | Type |
| Family | Brassicaceae |
| Determination | Alyssum hyperboreum Linnaeus |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
