Populus simonii subsp. rhombifolia Kitag. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Salicaceae genus Populus species Populus simonii Name Homonyms Populus simonii f. rhombifolia (Kitag.) Z.Wang & S.L.Tung Populus simonii var. rhombifolia Kitag.