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-21698,A,Betulaceae,,Betula,×,"rhombifolia",,"","Tausch",Synonym,,H,WCSP,21698,295195-1,"Flora","38: 752","","1838",kew-21167 kew-374556,A,Betulaceae,,Betula,,"rhombifolia",,"","Nutt.",Unresolved,,L,WCSP,374556,30062433-2,"N. Amer. Sylv.","1: 24","","1842",