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 kew-2424196,A,Polygonaceae,,Rheum,,"tanguticum",,"","Maxim. ex Balf.",Accepted,,M,WCSP (in review),,696803-1,"Trans. Bot. Soc. Edinburgh","13: cxlvi","","1879", tro-50136391,A,Polygonaceae,,Rheum,,"tanguticum",var.,"tanguticum","",Synonym,,L,TRO,50136391,,"","","","",kew-2424196 tro-50095421,A,Polygonaceae,,Rheum,,"tanguticum",var.,"viridiflorum","Y.K. Yang & D.K. Zhang",Synonym,,L,TRO,50095421,969958-1,"Acta Bot. Boreal.-Occid. Sin.","12(4): 311–312","311","1992",kew-2424196