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-2835506,A,Cactaceae,,Gymnocactus,,"viereckii",,"","(Werderm.) Backeb.",Unresolved,,L,WCSP (in review),,115343-2,"Cact. Succ. J. (Los Angeles)","23: 151","","1951", kew-2835507,A,Cactaceae,,Gymnocactus,,"viereckii",var.,"major","Glass & R.A.Foster",Unresolved,,L,WCSP (in review),,,"Cact. Succ. J. (Los Angeles)","50: 285","","1978",tro-50181473 kew-2835508,A,Cactaceae,,Gymnocactus,,"viereckii",subsp.,"major","(Glass & R.A.Foster) Doweld",Unresolved,,L,WCSP (in review),,,"Tsukkulenty","3: 37","","2000",tro-50181473