Northern Prairie Wildlife Research Center
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| Plate 16. Semipermanent pond, slightly brackish, cover type 2 (IV-B-2). Central deep-marsh zone represented by open-water phase, interspersed with emergent associations composed of hybrid cattail (Typha "glauca") and hardstem bulrush (Scripus acutus). August 10, 1965, Stutsman County, N. Dak. |
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/wetlands/pondlake/plate16.htm
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Menlo Park, CA [caww54]
