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-450470,A,Poaceae,,Zerna,,"canadensis",,"","(Michx.) Tzvelev",Synonym,,H,WCSP,450470,426871-1,"Novosti Sist. Vyssh. Rast.","7: 54","","1970 publ. 1971",kew-400822 kew-450471,A,Poaceae,,Zerna,,"canadensis",subsp.,"richardsonii","(Link) Tzvelev",Synonym,,L,WCSP,450471,883290-1,"Novosti Sist. Vyssh. Rast.","7: 54","","1970 publ. 1971",kew-401777