* Berberidaceae, Leonticaceae, Nandinaceae, Podophyllaceae in L. Watson and M.J. Dallwitz (1992 onwards), "The families of flowering plants.
==References==== External links ==* Berberidaceae, Leonticaceae, Nandinaceae, Podophyllaceae in L. Watson and M.J. Dallwitz (1992 onwards), "The families of flowering plants.