Swiderek, P.K., S. Johnson, P.E. Hale, and R.L. Joyner. 1988. Production, management, and waterfowl use of sea purslane, gulf coast muskgrass, and widgeongrass in brackish impoundments. Pages 441-457 in M.W. Weller. Waterfowl in Winter. Univ. of Minn. Pre

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