Hieracium scouleri subsp. griseum A.Nelson Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Hieracium species Hieracium scouleri Name Homonyms Hieracium scouleri var. griseum A.Nelson Hieracium scouleri subsp. griseum A.Nelson