Erigeron spinosus Sch.Bip. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Erigeron species Erigeron spinosus Name Homonyms Erigeron spinosus Sch.Bip. ex Schweinf. Erigeron spinosus Sch.Bip.