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 tro-50180218,A,Cactaceae,,Mammillaria,,"backebergiana",,"","F.G. Buchenau",Accepted,,M,TRO,50180218,,"Natl. Cact. Succ. J.","21: 47","47","1966", tro-50180224,A,Cactaceae,,Mammillaria,,"backebergiana",subsp.,"backebergiana","",Synonym,,L,TRO,50180224,,"","","","",tro-50180218 tro-50180233,A,Cactaceae,,Mammillaria,,"backebergiana",subsp.,"ernestii","(Fittkau) D.R. Hunt",Accepted,,L,TRO,50180233,996094-1,"Mammillaria Postscripts","6: 8","8","1997", tro-50335368,A,Cactaceae,,Mammillaria,,"backebergiana",var.,"ernestii","(Fittkau) Glass & R.A. Foster",Synonym,,L,TRO,50335368,,"","","","1979",tro-50180233