Helianthus littoralis Chapm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Helianthus species Helianthus floridanus Name Homonyms Helianthus littoralis Chapm. ex E.Watson Helianthus littoralis Chapm.