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-21194,A,Betulaceae,,Betula,×,"caerulea",,"","Blanch.",Accepted,,H,WCSP,21194,32119-2,"Betula","1: 1","","1904", kew-330280,A,Betulaceae,,Betula,×,"caerulea",var.,"blanchardii","Sarg.",Synonym,,L,WCSP,330280,32120-2,"Man. Trees","202","","1905",kew-21194 kew-21195,A,Betulaceae,,Betula,×,"caerulea",var.,"cunninghamii","B.Boivin",Synonym,,L,WCSP,21195,,"Natural. Canad.","94: 230","","1967",kew-21194 kew-21196,A,Betulaceae,,Betula,×,"caerulea",var.,"grandis","Blanch.",Synonym,,L,WCSP,21196,32124-2,"Betula","1: 1","","1904",kew-21194