Ulmus procera var. tortuosa (Host) Hayek Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Ulmaceae genus Ulmus species Ulmus minor Name Homonyms Ulmus procera var. tortuosa (Host) Hayek Ulmus procera subsp. tortuosa (Host) Hayek