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Keywords from Image Description:
Calamagrostis canadensis var. langsdorfii HC. en Calamagrostis canadensis Michx Beauv var langsdorfii Link Inman bluejoint usda gov imageID cacasahd tif USDANRCS PLANTS Database Hitchcock rev Chase Manual of the grasses of the United States USDA Miscellaneous Publication No Washington DC Hitchcock rev Chase Manual of the