Ulmus davidiana var. laevigata (C.K.Schneid.) Nakai Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Ulmaceae genus Ulmus species Ulmus davidiana Name Homonyms Ulmus davidiana var. laevigata (C.K.Schneid.) Nakai