Author:Douglas Houghton Campbell

Works

 * Elements of Structural and Systematic Botany (1890)
 * The Structure and Development of Mosses and Ferns (1895)
 * "A new Californian Liverwort". Botanical Gazette 21: 9-13, pl. 2. (1896)
 * "The Development of Geothallus tuberosus Campbell". Annals of Botany 10: 489-510; pls. 24, 25. (1896)
 * Lectures on the Evolution of Plants (1899)
 * A university text-book of botany, 1902
 * Plant life and evolution, 1911
 * The derivation of the flora of Hawaii, 1919
 * Outline of Plant Geography (1926)