Urtica whitlowii Muhl. ex Wedd. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Rosales family Urticaceae genus Laportea species Laportea canadensis Name Homonyms Urtica whitlowii Muhl. Urtica whitlowii Whitlow Urtica whitlowii Muhl. ex Wedd.