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Keywords from Image Description:
Persicaria arifolia NRCS. en Persicaria arifolia Harolds Halberdleaf tearthumb usda gov imageID poarahp tif USDANRCS PLANTS Database USDA NRCS Northeast wetland flora Field office guide to plant species Northeast National Technical Center Chester Robert Mohlenbrock USDA NRCS Northeast wetland flora Field office guide to plant