root › cellular organisms › Eukaryota › Viridiplantae › Streptophyta › Streptophytina › Embryophyta › Tracheophyta › Euphyllophyta › Spermatophyta › Magnoliopsida › Mesangiospermae › eudicotyledons › Gunneridae › Pentapetalae › asterids › campanulids › Asterales › Asteraceae › Asteroideae › Astereae › North American clade