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-6578,A,Betulaceae,,Alnus,,"rhombifolia",,"","Nutt.",Accepted,,H,WCSP,6578,294983-1,"N. Amer. Sylv.","1: 33","","1842", kew-6579,A,Betulaceae,,Alnus,,"rhombifolia",var.,"bernardina","Munz & I.M.Johnst.",Synonym,,L,WCSP,6579,9448-2,"Bull. Torrey Bot. Club","52: 222","","1925",kew-6578 kew-6580,A,Betulaceae,,Alnus,,"rhombifolia",var.,"ovalis","H.J.P.Winkl.",Synonym,,L,WCSP,6580,9449-2,"Pflanzenr.","IV, 61: 115","","1904",kew-6578