hordeum vulgare, sherardia arvensis, avena sativa, chenopodium album, galium aparine, matricaria chamomilla, poa annua, polygonum aviculare, thlaspi arvense, veronica persica, vicia tetrasperma, viola arvensis, apera spica-venti, capsella bursa-pastoris, cirsium arvense, euphorbia helioscopia, fallopia convolvulus, lamium purpureum, lysimachia arvensis, matricaria discoidea, persicaria lapathifolia, sonchus arvensis, tripleurospermum inodorum, veronica arvensis