root › cellular organisms › Eukaryota › Viridiplantae › Streptophyta › Streptophytina › Embryophyta › Tracheophyta › Euphyllophyta › Spermatophyta › Magnoliopsida › Mesangiospermae › Liliopsida › Petrosaviidae › commelinids › Poales › Poaceae › BOP clade › Pooideae › Poodae › Poeae › Poeae Chloroplast Group 2 › Loliodinae › Loliinae › Lolium › Lolium perenne