Quercus glauca var. hypargyrea Seemen Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Fagaceae genus Quercus species Quercus hypargyrea Name Homonyms Quercus glauca var. hypargyrea Seemen Quercus glauca var. hypargyrea Seemen ex Diels