ID,Major group,Family,Genus hybrid marker,Genus,Species hybrid marker,Species,Infraspecific rank,Infraspecific epithet,Authorship,Taxonomic status in TPL,Nomenclatural status from original data source,Confidence level,Source,Source id,IPNI id,Publication,Collation,Page,Date,Accepted ID tro-28300020,A,Salicaceae,,Salix,,"arctophila",,"","Cockerell ex A. Heller",Unresolved,,L,TRO,28300020,,"Cat. N. Amer. Pl. (ed. 3)","89","89","1910", tro-28300346,A,Salicaceae,,Salix,,"arctophila",f.,"leiocarpa","(Andersson) Fernald",Unresolved,,L,TRO,28300346,,"Rhodora","28(333): 178","178","1926",tro-28300346 tro-50068724,A,Salicaceae,,Salix,,"arctophila",var.,"leiocarpa","(Andersson) C.K. Schneid.",Synonym,,L,TRO,50068724,,"Bot. Gaz.","67(1): 57","57","1919",tro-28300346