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-21505,A,Betulaceae,,Betula,,"nana",,"","L.",Accepted,,H,WCSP,21505,301322-2,"Sp. Pl.","983","","1753", kew-21506,A,Betulaceae,,Betula,,"nana",var.,"alpestris","(Fr.) Regel",Synonym,,L,WCSP,21506,,"Nouv. Mém. Soc. Imp. Naturalistes Moscou","13(2): 103","","1861",kew-21150 kew-386865,A,Betulaceae,,Betula,,"nana",var.,"borealis","Regel",Synonym,,L,WCSP,386865,,"Nouv. Mém. Soc. Imp. Naturalistes Moscou","13(2): 104","","1861",kew-21516 kew-21507,A,Betulaceae,,Betula,,"nana",var.,"europaea","Ledeb.",Synonym,,L,WCSP,21507,,"Fl. Ross.","3: 653","","1850",kew-21516 kew-21508,A,Betulaceae,,Betula,,"nana",subsp.,"exilis","(Sukaczev) Hultén",Accepted,,L,WCSP,21508,32173-2,"Acta Univ. Lund.","n.f., 40(1): 579","","1944", kew-21510,A,Betulaceae,,Betula,,"nana",var.,"flabellifolia","Hook.",Synonym,,L,WCSP,21510,32174-2,"Fl. Bor.-Amer.","2: 157","","1838",kew-21516 kew-21512,A,Betulaceae,,Betula,,"nana",var.,"glandulifera","(Regel) B.Boivin",Synonym,,L,WCSP,21512,32175-2,"Naturaliste Canad.","94: 231","","1967",kew-21671 kew-21513,A,Betulaceae,,Betula,,"nana",var.,"intermedia","Hartm.",Unresolved,,L,WCSP,21513,,"Kongl. Vetensk. Acad. Handl.","148","","1818",kew-21101 kew-21514,A,Betulaceae,,Betula,,"nana",var.,"intermedia","Regel",Synonym,Illegitimate,L,WCSP,21514,32176-2,"Nouv. Mém. Soc. Imp. Naturalistes Moscou","13(2): 102","","1861",kew-21516 kew-330303,A,Betulaceae,,Betula,,"nana",f.,"magnifolia","Hartz",Synonym,,L,WCSP,330303,32177-2,"Meddel. Grønland","18: 342","","1895",kew-21516 kew-21515,A,Betulaceae,,Betula,,"nana",var.,"michauxii","(Spach) Regel",Synonym,,L,WCSP,21515,,"Nouv. Mém. Soc. Imp. Naturalistes Moscou","13(2): 103","","1861",kew-21488 kew-21516,A,Betulaceae,,Betula,,"nana",subsp.,"nana","",Accepted,,L,WCSP,21516,,"Unknown","","","", kew-21517,A,Betulaceae,,Betula,,"nana",subsp.,"perfiljevii","(V.N.Vassil.) Á.Löve & D.Löve",Synonym,,L,WCSP,21517,874740-1,"Bot. Not.","128: 505","","1975 publ. 1976",kew-21508 kew-330304,A,Betulaceae,,Betula,,"nana",var.,"reducta","Hultén",Synonym,,L,WCSP,330304,32178-2,"Acta Univ. Lund.","n.s., 40(1): 581","","1944",kew-21516 kew-330305,A,Betulaceae,,Betula,,"nana",f.,"reducta","(Hultén) B.Boivin",Synonym,,L,WCSP,330305,32179-2,"Naturaliste Canad.","94: 631","","1967",kew-21516 kew-21518,A,Betulaceae,,Betula,,"nana",var.,"relicta","Th.Fr. ex Gürke",Synonym,,L,WCSP,21518,,"Pl. Eur.","2: 50","","1897",kew-21516 kew-340840,A,Betulaceae,,Betula,,"nana",subsp.,"relicta","(Th.Fr. ex Gürke) Nyman",Synonym,,L,WCSP,340840,,"Consp. Fl. Eur.","673","","1881",kew-21516 kew-21519,A,Betulaceae,,Betula,,"nana",var.,"renifolia","(Fernald) B.Boivin",Synonym,,L,WCSP,21519,32180-2,"Naturaliste Canad.","94: 231","","1967",kew-21671 kew-21520,A,Betulaceae,,Betula,,"nana",subsp.,"rotundifolia","(Spach) Malyschev",Accepted,,L,WCSP,21520,,"Vysokogom. Fl. Vost. Sayan","110","","1965", kew-21521,A,Betulaceae,,Betula,,"nana",var.,"sibirica","Ledeb.",Synonym,,L,WCSP,21521,32181-2,"Fl. Ross.","3: 654","","1850",kew-21508 kew-21522,A,Betulaceae,,Betula,,"nana",subsp.,"tundrarum","(Perfil.) Á.Löve & D.Löve",Synonym,,L,WCSP,21522,874741-1,"Bot. Not.","128: 505","","1975 publ. 1976",kew-21516