Hieracium sommerfeltii var. subtruncatum Pugsley Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Hieracium species Hieracium saxorum Name Homonyms Hieracium sommerfeltii var. subtruncatum Pugsley Hieracium sommerfeltii subsp. subtruncatum Pugsley