centaurea cyanus, tripleurospermum inodorum, zea mays, apera spica-venti, poa annua, anthemis arvensis, capsella bursa-pastoris, cirsium arvense, euphorbia helioscopia, fallopia convolvulus, galium aparine, geranium pusillum, lamium purpureum, lipandra polysperma, lolium perenne, lysimachia arvensis, matricaria chamomilla, matricaria discoidea, myosotis arvensis, phleum pratense, stellaria media, thlaspi arvense, veronica persica, viola arvensis, galinsoga quadriradiata, persicaria lapathifolia, plantago major, ranunculus repens, vicia tetrasperma