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-35141725,B,Polytrichaceae,,Polytrichum,,"perigoniale",,"","Michx.",Synonym,,M,TRO,35141725,,"Fl. Bor.-Amer.","2: 293","293","1803",tro-35125398 tro-35141727,B,Polytrichaceae,,Polytrichum,,"perigoniale",var.,"nigrescens","(Warnst.) Warnst.",Synonym,,L,TRO,35141727,,"Hedwigia","54: 162","162","1913",tro-35217318