The lake is surrounded by extensive wetlands. Cattails and other reedy vegetation are the dominant wetland vegetation, in dense stands over 2 meters tall. Typical wetland plant genera include Typha, Scirpus, Heleocharis, and Cyperus. The dominant species of aquatic vegetation are Potamogeton illionoensis, Scirpus pectinatus, tule (Typha latifolia), T. dominguensis, and Nymphaea mexicana
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