Hieracium gracile subsp. alaskanum Zahn Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Hieracium species Hieracium triste Name Homonyms Hieracium gracile var. alaskanum Zahn Hieracium gracile subsp. alaskanum Zahn