Angiosperms bibliography

Arnold, C. A., 1947, Introduction to Paleobotany: New York, McGraw-Hill, 433 p.

Chaney, R. W., 1949, Evolutionary trends in the angiosperms, in Jepsen, G. L., Simpson, G. G., and Mayr, E., eds., Genetics, Paleontology and Evolution: Princeton, New Jersey, Princeton University Press, p. 190-201; 474 p.

Freidman, W. E., 1990, Double fertilization in Ephedra, a nonflowering plant; its bearing on the origin of angiosperms: Science, v. 247, p. 951.

Whittaker, R. H., 1969, Evolution of diversity in plant communities: Brookhaven Symposium on Biology, v. 22, p. 178-196.