Gynura vitellina subsp. gracilis Hook.f. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Crassocephalum species Crassocephalum gracile Name Homonyms Gynura vitellina var. gracilis Hook.f. Gynura vitellina subsp. gracilis Hook.f.