Helianthus decapetalus f. frondosus (L.) Voss Dataset GBIF Backbone Taxonomy Rank FORM Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Helianthus species Helianthus decapetalus Name Homonyms Helianthus decapetalus f. frondosus (L.) Voss ex Thell. Helianthus decapetalus var. frondosus (L.) Hook. Helianthus decapetalus f. frondosus (L.) Voss