Helminthia echioides (L.) Holub Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Helminthotheca species Helminthotheca echioides Name Homonyms Helminthia echioides (L.) Juss., 1789 Helminthia echioides (L.) Holub Helminthia echioides (L.) Gaertn.