Erigeron salsuginosus subsp. glacialis (Nutt.) A.Gray Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Erigeron species Erigeron glacialis Name Homonyms Erigeron salsuginosus var. glacialis (Nutt.) A.Gray Erigeron salsuginosus subsp. glacialis (Nutt.) A.Gray