ear of a poison darnel, lolium temulentum

darnel poison ryegrass cockle lolium temulentum poisonous danger pest agriculture nature plant summer grass lawn grain fresh environment growth pollen wildflower tufted crop tall pasture macro outdoors flora flower spikelet field lowland floret agronomy panicle spike wildlife food wheat animal green seed farm design botany natural pollination grazing blossoming inflorescence ear