| Name | Salix longifolia var. opaca Andersson | 
| Authorship | Andersson | 
| Rank | Variety | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Salix longifolia Muhlenberg | 
| Citation | 1867 Kongl. Vetensk. Acad. Handl. 6: 55 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Salix longifolia var. opaca Andersson | 
| Identification made in | [no date] (1) |