1) Order fagales 2) Plant order 
The older Cronquist system only included four families (Betulaceae, Corylaceae, Fagaceae, Ticodendraceae; Corylaceae now being included within Betulaceae); this arrangement is followed by, for example, the World checklist of selected plant families (see external link below). The other families were split into three different orders, placed among t...
beech order of dicotyledonous woody flowering plants, a division of the subclass Hamamelidae.[1 related articles]
[n] - an order of dicotyledonous trees of the subclass Hamamelidae
order Fagales noun an order of dicotyledonous trees of the subclass Hamamelidae