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 kew-5000337,A,Salicaceae,,Populus,,"nigra",,"","L.",Accepted,,M,WCSP (in review),,776790-1,"Sp. Pl.","1034","","1753", tro-28301017,A,Salicaceae,,Populus,,"nigra",var.,"afghanica","Aitch. & Hemsl.",Synonym,,L,TRO,28301017,,"J. Linn. Soc., Bot.","18: 96","96","1880",tro-28300906 kew-5003610,A,Salicaceae,,Populus,,"nigra",var.,"betulifolia","(Pursh) Torr.",Synonym,,L,WCSP (in review),,208318-2,"Fl. New York","2: 216","","1843",kew-5004593 kew-5004593,A,Salicaceae,,Populus,,"nigra",subsp.,"betulifolia","(Pursh) Wettst.",Accepted,,L,WCSP (in review),,,"Schriftenreihe Österr. Ges. Holzf.","1952: 5","","1952", kew-5004605,A,Salicaceae,,Populus,,"nigra",var.,"caudina","(Ten.) Nyman",Synonym,,L,WCSP (in review),,,"Consp. Fl. Eur.","664","","1881",kew-5000337 kew-5004596,A,Salicaceae,,Populus,,"nigra",var.,"elegans","Bailey",Synonym,,L,WCSP (in review),,,"Unknown","","","",kew-5000337 tro-28300608,A,Salicaceae,,Populus,,"nigra",subsp.,"flexibilis","Kamelin",Synonym,,L,TRO,28300608,,"","","","",tro-28300583 kew-5004793,A,Salicaceae,,Populus,,"nigra",var.,"italica","Münchh.",Accepted,,L,WCSP (in review),,,"Hausvater","5: 229","","1770", kew-5004606,A,Salicaceae,,Populus,,"nigra",var.,"neapolitana","(Ten.) Nyman",Synonym,,L,WCSP (in review),,,"Consp. Fl. Eur.","664","","1881",kew-5000337 tro-28300544,A,Salicaceae,,Populus,,"nigra",var.,"nigra","",Synonym,,L,TRO,28300544,,"","","","",kew-5000337 tro-28300609,A,Salicaceae,,Populus,,"nigra",subsp.,"pyramidalis","Čelak.",Synonym,,L,TRO,28300609,,"","","","",kew-5004793 tro-28300542,A,Salicaceae,,Populus,,"nigra",var.,"thevestina","(Dode) Bean",Synonym,,L,TRO,28300542,,"Not. Trees & Shrubs","2: 217","217","1914",kew-5000337