text: triticum aestivum, apera spica-venti, bromus secalinus, setaria viridis, euphorbia helioscopia, lamium purpureum, lysimachia arvensis, thymelaea passerina, veronica persica, viola arvensis, centaurea cyanus, cirsium arvense, convolvulus arvensis, fallopia convolvulus, sherardia arvensis, valerianella dentata, veronica arvensis