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-21473,A,Betulaceae,,Betula,,"mandshurica",,"","(Regel) Nakai",Synonym,,H,WCSP,21473,107827-1,"Bot. Mag. (Tokyo)","29: 42","","1915",kew-342865 kew-21474,A,Betulaceae,,Betula,,"mandshurica",var.,"japonica","(Miq.) Rehder",Synonym,,L,WCSP,21474,,"Man. Cult. Trees","ed. 2: 130","","1940",kew-342865 kew-21475,A,Betulaceae,,Betula,,"mandshurica",var.,"kamtschatica","(Regel) Rehder",Synonym,,L,WCSP,21475,,"J. Arnold Arbor.","19: 73","","1938",kew-21607 kew-452494,A,Betulaceae,,Betula,,"mandshurica",var.,"rockii","(Rehder) Rehder",Synonym,,L,WCSP,452494,,"J. Arnold Arbor.","19: 74","","1938",kew-21700 kew-21477,A,Betulaceae,,Betula,,"mandshurica",var.,"szechuanica","(C.K.Schneid.) Rehder",Synonym,,L,WCSP,21477,,"Man. Cult. Trees","ed. 2: 130","","1940",kew-21751