Key points are not available for this paper at this time.
Clements, F. E. 1928. Plant succession and plant indicators. The H. W. Wilson Co., N. Y. 453 pp. (pp. 352-355). Curtis, J. T. 1955. A prairie continuum in Wisconsin. Ecology 36: 358-366. Dyksterhuis, E. J. 1941. Possibilities and limitations of extensive grazing use in the Ozarks; with special reference to the watershed of the Upper White River. Unpubl. Rpt. For. Expt. Sta., U. S. For. Serv., New Orleans. 68 pp. and map. . 1948. The vegetation of the Western Cross Timbers. Ecol. Monog. 18: 325-376. . 1949. Condition and management of range land based on quantitative ecology. jour. Range Mgt. 2: 104.-115. . 1952. Determining the condition and trend of ranges (natural pastures). Proc. Sixth Intl. Grassland Cong. Vol. II. pp. 1322-1327. Marbut, C. F. 1911. Soil reconnaissance of the Ozark region of Missouri and Arkansas. U. S. Dept. Agri., Bur. Soils Rpt. No. 13. pp. 1727-1875.
Syunro Utida (Mon,) studied this question.