1944/01/01 by Paul R. Needham, Daniel W. Slater, Daniel Slater · 1 citation
Agricultural and Biological Sciences · Environmental Science · #Biological Control of Invasive Species #Botany, Ecology, and Taxonomy Studies #Ecology and Vegetation Dynamics Studies
paper · doi:10.2307/3796193
MARTIN, A. C., and F. M. UHLER. 1939. Food of game ducks in the United States and Canada. U. S. Dept. Agric. Tech. Bul., 634. 156 pp., illus. MCATEE, W. L. 1918. Food habits of the mallard ducks of the United States. U. S. Dept. Agric. Bul., 720. 36 pp., illus. 1939. Wildfowl food plants. Ames, Iowa, Collegiate Press, Inc. 141 pp., illus. PIRNIE, MILES DAVID. 1935. Michigan waterfowl management. Lansing, Mich.. Michigan Department of Conservation, 328 pp., illus. RICKETT, H. W. 1921. A quantitative study of the larger aquatic plants of Lake Mendota. Wis. Acad. Sci. Arts and Let.,Trans., 20: 501-527. 1924. A quantitative study of the flora of Green Lake, Wisconsin. Wis. Acad. Sci. Arts and Let. Trans., 21: 381-414.