| Classification | Asteraceae: Silphium | 
| Harvard University Herbaria Barcode(s) | 00578922 | 
| Collector | C. H. Knowlton | 
| 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, Escaped from Fenway, Back Bay | 
| Date Collected | 1916-09-05 [Sept. 5, 1916] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/acbb8ef3-0053-4063-b69a-509b2291e239 | 
| Harvard University Herbaria Barcode | 00578922 | 
| Herbarium | NEBC | 
| Family | Asteraceae | 
| Determination | Silphium perfoliatum Linnaeus | 
| Determination Remarks | [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |