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-5106299,A,Cactaceae,,Mammillaria,,"micromeris",,"","Engelm.",Synonym,,M,TRO,5106299,,"Proc. Amer. Acad. Arts","3: 260–261","260","1856",kew-2791605 kew-2376125,A,Cactaceae,,Mammillaria,,"micromeris",var.,"greggii","Engelm.",Synonym,,L,WCSP (in review),,151274-2,"Proc. Amer. Acad. Arts","3: 261","","1856",kew-2791613 kew-2376126,A,Cactaceae,,Mammillaria,,"micromeris",var.,"unguispina","Boed.",Unresolved,,L,WCSP (in review),,151275-2,"Monatsschr. Deutsch. Kakteen-Ges.","4: 118","","1932",kew-2791621