common witch grass, old-witch grass, witch grass
Etymology: Panicum: from latin panus probably meaning "an ear of millet"
Plants: annual grass
Conservation Status: Native
Flora of North America: Flora of North America Floristic Rating: Coefficient of Conservatism = 1, Wetland Indicator = FAC USDA Plants Database: Federal Distribution and detailed information including photos Grasses of Iowa: Detailed photographs, descriptions, maps Canada Agriculture and Agri-Food
Alberta Government: "The identification of certain native and naturalized grasses by their vegetative characters", S.E. Clarke, J.A. Campbell and W. Shevkenek. 1950.
(Publication no. 762 ; Technical bulletin no. 50). Drawings, descriptions.