Quercus obtusa Knowlton, 1926 Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Fagaceae genus Quercus species Quercus obtusa Name Homonyms Quercus obtusa Sarg. Quercus obtusa (Willd.) Pursh Quercus obtusa (Willd.) Ashe Quercus obtusa Knowlton, 1926