Helianthus angustifolius Spreng. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Aldama species Aldama anchusifolia Name Homonyms Helianthus angustifolius L. Helianthus angustifolius (L.) Michx. ex DC., 1836 Helianthus angustifolius Spreng. ex Baker Helianthus angustifolius Spreng. Helianthus angustifolius (L.) Michx.