Castanea crenata subsp. japonica (Blume) Koidz. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Fagales family Fagaceae genus Castanea species Castanea crenata Name Homonyms Castanea crenata var. japonica (Blume) Koidz. Castanea crenata subsp. japonica (Blume) Koidz.