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-6589,A,Betulaceae,,Alnus,,"rugosa",,"","(Du Roi) Spreng.",Synonym,,H,WCSP,6589,294990-1,"Syst. Veg.","3: 848","","1826",kew-6448 kew-6591,A,Betulaceae,,Alnus,,"rugosa",var.,"americana","(Regel) Fernald",Synonym,,L,WCSP,6591,9452-2,"Rhodora","47: 350","","1945",kew-6448 kew-6592,A,Betulaceae,,Alnus,,"rugosa",f.,"emersoniana","Fernald",Synonym,,L,WCSP,6592,300053-2,"Rhodora","47: 347","","1945",kew-6448 kew-6593,A,Betulaceae,,Alnus,,"rugosa",f.,"hypomalaca","Fernald",Synonym,,L,WCSP,6593,301788-2,"Rhodora","47: 353","","1945",kew-6448 kew-6594,A,Betulaceae,,Alnus,,"rugosa",var.,"obtusifolia","(Regel) H.J.P.Winkl.",Synonym,,L,WCSP,6594,9453-2,"Pflanzenr.","IV, 61: 120","","1904",kew-6598 tro-3600126,A,Betulaceae,,Alnus,,"rugosa",var.,"occidentalis","(Dippel) C.L. Hitchc.",Synonym,,L,TRO,3600126,,"","","","",kew-6453 kew-6595,A,Betulaceae,,Alnus,,"rugosa",var.,"serrulata","(Aiton) H.J.P.Winkl.",Synonym,,L,WCSP,6595,9454-2,"Pflanzenr.","IV, 61: 120","","1904",kew-6598 kew-6596,A,Betulaceae,,Alnus,,"rugosa",f.,"tomophylla","(Fernald) Fernald",Synonym,,L,WCSP,6596,292966-2,"Rhodora","47: 353","","1945",kew-6448 tro-3600416,A,Betulaceae,,Alnus,,"rugosa",var.,"tomophylla","(Fernald) Fernald",Synonym,,L,TRO,3600416,,"Rhodora","47(563): 353","353","1945",kew-6448