Ulmus effusa Sibth., 1794 Dataset GBIF Backbone Taxonomy Rank SPECIES Published in Fl. Oxon. 87. 1794 Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Ulmaceae genus Ulmus species Ulmus effusa Name Homonyms Ulmus effusa Willd. Ulmus effusa Sibth., 1794