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-2813880,A,Cactaceae,,Frailea,,"castanea",,"","Backeb.",Accepted,,L,WCSP (in review),,105526-2,"Kaktus-ABC","248","","1935", kew-2813881,A,Cactaceae,,Frailea,,"castanea",subsp.,"harmoniana","(F.Ritter) P.J.Braun & Esteves",Accepted,,L,WCSP (in review),,1124386-2,"Succulenta (Netherlands)","74: 130","","1995", kew-2813882,A,Cactaceae,,Frailea,,"castanea",var.,"perumbilicata","(F.Ritter) Prestlé",Unresolved,,L,WCSP (in review),,1005284-1,"Gattung Frailea","213","","1997",kew-2813880