| Classification | Rosaceae: Poterium | 
| Classification 1 | Rosaceae: Sanguisorba | 
| Harvard University Herbaria Barcode(s) | 00040907 | 
| Type Status | Isosyntype | 
| Collector | T. Nuttall | 
| Country | United States of America | 
| State | Louisiana | 
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Louisiana | 
| Locality | Red River | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1841ea86-f3a9-4033-b183-831bea467c91 | 
| Harvard University Herbaria Barcode | 00040907 | 
| Herbarium | GH | 
| Previous ownership | Coll. Nuttall. Presented by Elias Durand, 1866. | 
| Family | Rosaceae | 
| Type Status | Isosyntype | 
| Isosyntype of | Poterium annuum Nuttall | 
| Determination Remarks | [filed under] | 
| Taxon Reference | (for  Poterium annuum Nuttall) Fl. Bor.-Amer. [Hooker] 1832. 1(4): 198. | 
| Family | Rosaceae | 
| Determination | Sanguisorba annua (Nuttall) Nuttall | 
| Determination Remarks | [label name] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |