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 gcc-42519,A,Compositae,,Silphium,,"perfoliatum",,"","L.",Accepted,,M,TICA,B35C7561-87A9-434D-936E-4EC088503251,236461-2,"","","1232","1759", gcc-64798,A,Compositae,,Silphium,,"perfoliatum",var.,"connatum","(L.) Cronquist",Accepted,,L,TICA,84C70734-9D6F-49E6-A66B-C13A01510692,236464-2,"","","223","1977", gcc-70035,A,Compositae,,Silphium,,"perfoliatum",subsp.,"connatum","(L.) Cruden",Synonym,,L,TICA,5F66463A-DF1D-46D2-A3F4-EAE538232EC8,236463-2,"Castanea 27: 90. 1962","","90","1962",gcc-64798