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Keywords from Image Description:
Echinochloa walteri NRCS. en Echinochloa walteri Pursh Heller coast cockspur grass usda gov imageID ecwaavp tif Robert Mohlenbrock USDANRCS PLANTS Database USDA SCS Southern wetland flora Field office guide to plant species South National Technical Center Fort Worth Robert Mohlenbrock USDA SCS Southern wetland flora Field