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Keywords from Image Description:
Potamogeton amplifolius NRCS. en Potamogeton amplifolius Tuck largeleaf pondweed usda gov imageID poamahp tif USDANRCS PLANTS Database USDA NRCS Northeast wetland flora Field office guide to plant species Northeast National Technical Center Chester Edward Voss USDA NRCS Northeast wetland flora Field office guide to plant species