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-50180963,A,Cactaceae,,Mammillaria,,"petrophila",,"","K. Brandegee",Accepted,,M,TRO,50180963,151423-2,"Zoë","5: 193","193","1904", tro-50180965,A,Cactaceae,,Mammillaria,,"petrophila",subsp.,"arida","(Rose ex Quehl) D.R. Hunt",Accepted,,L,TRO,50180965,1010853-1,"Mammillaria Postscripts","7: 3","3","1998", tro-50180966,A,Cactaceae,,Mammillaria,,"petrophila",subsp.,"baxteriana","(H.E. Gates) D.R. Hunt",Accepted,,L,TRO,50180966,1010854-1,"Mammillaria Postscripts","7: 3","3","1998", tro-50180964,A,Cactaceae,,Mammillaria,,"petrophila",subsp.,"petrophila","",Synonym,,L,TRO,50180964,,"","","","",tro-50180963