root › cellular organisms › Eukaryota › Viridiplantae › Streptophyta › Streptophytina › Embryophyta › Tracheophyta › Euphyllophyta › Spermatophyta › Magnoliopsida › Mesangiospermae › eudicotyledons › Gunneridae › Pentapetalae › asterids › lamiids › Gentianales › Gentianaceae › Chironieae › Chironiinae › Eustoma › Eustoma russellianum