Helianthus annuus subsp. macrocarpus (DC.) Cockerell Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Helianthus species Helianthus annuus Name Homonyms Helianthus annuus var. macrocarpus (DC. & A.DC.) Cockerell Helianthus annuus subsp. macrocarpus (DC.) Cockerell Helianthus annuus f. macrocarpus Hegi