Erigeron scaber Willd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Erigeron species Erigeron acris Name Homonyms Erigeron scaber Willd. ex Spreng. Erigeron scaber Pers. Erigeron scaber Thunb., 1800 Erigeron scaber Willd.