Helianthus rivularis Poepp. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Leptocarpha species Leptocarpha rivularis Name Homonyms Helianthus rivularis Poepp. ex DC. Helianthus rivularis Poepp.