Magnoliopsida consists of 7 sub-classes, 56 classes and 315 genera. The sub-classes are:
(i) Magnolidae: The class number of Magnolidae is 7.
(ii) Hamamelidae: Class number of Hamamelidae is 8.
(iii) Ranunculidae: The class number of Ranunculidae is 3.
(iv) Caryophyllidae: The class number of Caryophyllidae is 3.
(v) Dillenidae: The class number of Dillenidae is 12.
(vi) Rosidae: Class number of Rosidae is 16.
(vii) Asteridae: Class number of Asteridae is 7.