Rosopsida is a botanical name for a group of flowering plants recognized at the rank of class. The name is derived from that of the included family Rosaceae. As used in the Reveal system it is a subset of the dicots, a paraphyletic group recognized at various ranks in other systems, and includes:subclass Caryophyllidae subclass Hamamelididae subclass Dilleniidae subclass Rosidae subclass Cornidae subclass Lamiidae subclass Asteridae