dicot family: family of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination
biological group: a group of plants or animals
fagaceae: chiefly monoecious trees and shrubs: beeches; chestnuts; oaks; genera Castanea, Castanopsis, Chrysolepis, Fagus, Lithocarpus, Nothofagus, Quercus