brassica napus, stellaria media, matricaria chamomilla, elymus repens, papaver rhoeas, silene latifolia, tripleurospermum inodorum, apera spica-venti, capsella bursa-pastoris, cirsium arvense, convolvulus arvensis, euphorbia helioscopia, lamium amplexicaule, lysimachia arvensis, myosotis arvensis, poa annua, polygonum aviculare, sonchus oleraceus, trifolium dubium, valerianella dentata, veronica persica, vicia hirsuta, vicia sativa, vicia tetrasperma, viola arvensis