| Classification | Brassicaceae: Sinapis |
| Harvard University Herbaria Barcode(s) | 01693688 |
| Collector | G. B. Van Schaack |
| Collector number | 99 |
| Country | United States of America |
| State | Alaska |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Alaska: Unorganized Borough: Aleutians West Census Area |
| Locality | Attu Island: Vicinity of Massacre Bay; Near beach near army installation. |
| Date Collected | 1944-08-13 |
| Container | Plants of Aleutian Islands |
| Frequency | Only two plants observed |
| Project | US and Canada - Mass Digitization |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/6a910b8b-3b3a-46d3-8c40-8ca3bb3d1d59 |
| Harvard University Herbaria Barcode | 01693688 |
| Herbarium | GH |
| Family | Brassicaceae |
| Determination | Sinapis arvensis Linnaeus |
| Determined by | Warwick, Suzanne I. |
| Date Determined | 1995 |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
