Erigeron acer var. glabratus Neilr., 1859 Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Erigeron species Erigeron acris Name Homonyms Erigeron acer var. glabratus (Hoppe) Hook., 1847