| Classification | Salicaceae: Salix | 
| Harvard University Herbaria Barcode(s) | 00031017 | 
| Type Status | Isolectotype | 
| Collector | J. L. Berlandier | 
| Collector number | 2341 | 
| Country | Mexico | 
| State | Tamaulipas | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Tamaulipas: Matamoros | 
| Locality | Matamoros | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/1df50de4-7305-41a0-b28a-7433ac2873e8 | 
| Harvard University Herbaria Barcode | 00031017 | 
| Herbarium | GH | 
| Family | Salicaceae | 
| Type Status | Isolectotype | 
| Isolectotype of | Salix longifolia var. angustissima Andersson | 
| Verified by | R. Dorn | 
| Taxon Reference | (for  Salix longifolia var. angustissima Andersson) Proc. Amer. Acad. Arts 1858. 4: 56. | 
| Family | Salicaceae | 
| Determination | Salix thurberi Rowlee | 
| Determination Remarks | [current name] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |