Senecio serratuloides subsp. holubii Thell. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Senecio species Senecio gregatus Name Homonyms Senecio serratuloides var. holubii Thell. Senecio serratuloides subsp. holubii Thell.