| Classification | Brassicaceae: Sisymbrium | 
| Harvard University Herbaria Barcode(s) | 00582593 | 
| Collector | [no data available] | 
| Country | United States of America | 
| State | Maine | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Maine | 
| Locality | Merchant Island | 
| Date Collected | 1923-07-02 | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/fa268661-960e-4efb-8e7a-5ea33ab382b6 | 
| Harvard University Herbaria Barcode | 00582593 | 
| Herbarium | NEBC | 
| Family | Brassicaceae | 
| Determination | Sisymbrium altissimum Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |