Water plants; a study of aquatic angiosperms.
With a pref. by William T. Stearn.
- Weinheim, New York, Weinheim, New York, J. Cramer; Hafner Pub. Co., J. Cramer; Hafner Pub. Co., 1963.
- Historiae naturalis classica ; t. 23 .
- Historiae naturalis classica ; t. 23 .
Reprint of the original ed., with reproduction of the t.p. bearing imprint: Cambridge, University Press, 1920.