Rudbeckia grandiflora (Sw.) J.F.Gmel. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Rudbeckia species Rudbeckia grandiflora Name Homonyms Rudbeckia grandiflora (Sw.) J.F.Gmel. ex DC. Rudbeckia grandiflora (Sw.) J.F.Gmel.