| Classification | Asteraceae: Xanthium | 
| Barcode(s) | 00691886 | 
| Collector | M. L. Fernald, F. W. Hunnewell & B. H. Long | 
| Collector number | 10659 | 
| Country | United States of America | 
| State | Rhode Island | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Rhode Island | 
| Locality | Block Island | 
| Date Collected | 1913-08-22 [August 22, 1913] | 
| Project | New England Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5a3d6e78-ecb7-40d2-90f4-a8a26e84eea5 | 
| Harvard University Herbaria Barcode | 00691886 | 
| Herbarium | GH | 
| Family | Asteraceae | 
| Determination |  Xanthium strumarium var. canadense (Miller) Torr. & A. Gray | 
| Determination Remarks |  [filed under] [current name] | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |