1. Stebbins, G.L., 1971, “Chromosomal Evolution in Higher Plants,” Addison-Wesley, Reading, MA.
2. Stebbins, G.L., 1947, Types of polyploids; Their classification and significance. Adv. Genetics 1: 403–439.
3. Alston, R.E., Turner, B.L., 1959, Application of paper chromatography to systematics: Recombination of parental biochemical components in a Baptisia hybrid population. Nature 194: 285–286.
4. Alston, R.E., Turner, B.L., 1962, “Biochemical Systematics,” Prentice-Hall, Inglewood Cliffs, N. J.
5. Stebbins, G.L., 1950, “Variation and Evolution in Plants,” Columbia University Press, New York.