Quercus nigra Rugel Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Fagaceae genus Quercus species Quercus nigra Name Homonyms Quercus nigra L. Quercus nigra Thore, 1803 Quercus nigra Rugel ex A.DC., 1864 Quercus nigra Wangenh. Quercus nigra Marshall, 1785 Quercus nigra Rugel