Fig. 3


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Mean percent coverage and standard error bars of hydrilla, water stargrass (stargrass), and Texas wild rice (TWR) for eight treatments where hydrilla was removed from 0.25 m2 plots (n = 3 plots per treatment) in the San Marcos River. Treatments indicate the percent coverage of hydrilla at the time of planting and the numbers in parentheses indicate the number of water stargrass and Texas wild rice planted, respectively, in each 0.25 m2 plot. Difference letters indicate significant difference based on a one-way repeated measures ANOVA (F = 15.98, df = 23, P < 0.001) and Tukey's mean separation test (P < 0.05).

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