Urtica ulmifolia Vahl Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Urticaceae genus Phenax species Phenax sonneratii Name Homonyms Urtica ulmifolia Kunth Urtica ulmifolia Vahl ex Wedd. Urtica ulmifolia Vahl