Hieracium praecox subsp. subfragile Touton, 1923 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Hieracium species Hieracium glaucinum Name Homonyms Hieracium praecox subsp. subfragile Touton, 1923