Trimorpha angulosa (Gaudin) Vierh., 1906 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Erigeron species Erigeron angulosus Name Homonyms Trimorpha angulosa (Gaudin) Dalla Torre & Sarnth. Trimorpha angulosa (Gaudin) Vierh., 1906