Bibiography:  Reference Listing
for the Aizoaceae

Hartmann, H.E.K. 1993. Aizoaceae. In: K. Kubitzki, J.C. Rohwer, and V. Bittrich, eds The families and genera of vascular plants, Vol. II Pp. 37-69, Springer-Verlag, Berlin.

Matthews, J. F., D. W. Ketron, and S. F. Zane. 1993. The biology and taxonomy of the Portulaca oleracea L. complex in North America. Rhodora 95(882):166-183.

Matthews, J. F., J. F. Levins, and P. A. Levins. 1985. Portulaca pilosa L., P. mundula I. M. Johnst., and P. parvula Gray in the Southwest. Sida 11:45-61.