| Classification | Asteraceae: Sonchus | 
| Harvard University Herbaria Barcode(s) | 00521907 | 
| Collector | Zachary Nowak | 
| Collector number | 2015-091 | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Suffolk County: Boston | 
| Locality | Boston Basin Ecoregion: Muddy River Watershed. East side of the Muddy River near the old Charlesgate pumphouse, in a semi-abandoned parking lot next to the pumphouse, GPS 42.35070N, -71.091830W  (WGS-84) | 
| Date Collected | 2015-10-10 | 
| Habitat | One of three plants growing in full shade out of a crack in the asphalt | 
| Container | Plants of the Back Bay Fens | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/b5f9c6dd-d6e6-459d-ac24-87d757c58e05 | 
| Harvard University Herbaria Barcode | 00521907 | 
| Herbarium | NEBC | 
| Family | Asteraceae | 
| Determination | Sonchus oleraceus Linnaeus | 
| Determination Remarks | [filed under] [label name] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |