Helianthus brevifolius E.E.Watson Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Helianthus species Helianthus brevifolius Name Homonyms Helianthus brevifolius E.Watson Helianthus ×brevifolius (E.Watson) R.C.Jacks. & Guard