Quercus occidentalis subsp. heterocarpa Globa-Mikhailenki Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Fagaceae genus Quercus species Quercus suber Name Homonyms Quercus occidentalis f. heterocarpa Globa-Mikhailenki Quercus occidentalis subsp. heterocarpa Globa-Mikhailenki