Helianthus strumosus subsp. strumosus Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Helianthus species Helianthus strumosus Name Homonyms Helianthus strumosus var. strumosus Helianthus strumosus subsp. strumosus