Family: Poaceae
wild oats
Etymology: Avena: Latin for oats
Plants: annual grass
Plants: annual grass
USDA Plants Database: Federal Distribution and detailed information including photos Grasses of Iowa: Detailed photographs, descriptions, maps USDA Agricultural Research Service (ARS): Images of seeds, fruits, embryos, etc. Southwest School of Botanical Medicine: Britton & Brown Illustrated Flora - 2nd Edition (1913) "An Illustrated Flora of the Northern United States and Canada"