| Classification | Aristolochiaceae: Asarum | 
| Barcode(s) | 00642439 | 
| Collector | N. F. Thayer | 
| Country | United States of America | 
| State | Massachusetts | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Worcester County: Lancaster | 
| Locality | Lancaster | 
| Date Collected | 1904-05-03 [May 3 1904] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/2a406629-c80e-42e6-94ba-08304ceaeea1 | 
| Harvard University Herbaria Barcode | 00642439 | 
| Herbarium | NEBC | 
| Family | Aristolochiaceae | 
| Determination |  Asarum canadense Linnaeus | 
| Determination Remarks |  [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |