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Keywords from Image Description:
Symphyotrichum boreale NRCS. en Symphyotrichum boreale Torr Gray Lve Lve northern bog aster usda gov imageID asjuahp tif cropped to ratio by uploader Robert Mohlenbrock USDA SCS Midwest wetland flora Field office illustrated guide to plant species Midwest National Technical Center Lincoln Courtesy of USDA NRCS Wetland Science