Quercus castaneifolia var. incana Batt. & Trab. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Fagaceae genus Quercus species Quercus afares Name Homonyms Quercus castaneifolia var. incana (Trab.) Rehder Quercus castaneifolia f. incana Trab. Quercus castaneifolia var. incana Batt. & Trab.