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