Quercus aliena subsp. calvescens Rehder & E.H.Wilson Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Fagaceae genus Quercus species Quercus aliena Name Homonyms Quercus aliena f. calvescens Rehder & E.H.Wilson Quercus aliena subsp. calvescens Rehder & E.H.Wilson