Urticales is an order of flowering plants. Before molecular phylogenetics became an important part of plant taxonomy, Urticales was recognized in many, perhaps even most, systems of plant classification, with some variations in circumscription. Among these is the Cronquist system (1981), which placed the order in the subclass Hamamelidae [sic], as comprising: * Barbeyaceae * Cannabaceae * Cecropiaceae * Moraceae * Ulmaceae * Urticaceae Urticalean rosids refers to the relationships amongst several families of angiosperms, and now includes more than 2,500 species. The families are: