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-26604138,P,Equisetaceae,,Equisetum,,"robustum",,"","A. Braun ex Engelm.",Accepted,,M,TRO,26604138,,"Amer. J. Bot.","46: 88","88","1844", tro-26602959,P,Equisetaceae,,Equisetum,,"robustum",var.,"affine","Engelm.",Synonym,,L,TRO,26602959,93014-2,"Amer. J. Sci. Arts","46: 88","88","1844",tro-26600162