Quercus dubia Newberry, 1882 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Fagaceae genus Quercus species Quercus dubia Name Homonyms Quercus dubia Lindl. ex Wall. Quercus dubia L. Quercus ×dubia Trel. Quercus ×dubia Ashe Quercus dubia Lindl., 1831 Quercus dubia Newberry, 1882