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Keywords from Image Description:
Hordeum pusillum HC. en Hordeum pusillum Nutt little barley usda gov imageID hopuavd 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 grasses of the United States USDA Miscellaneous Publication No Washington