agrostemma githago, vicia hirsuta, vicia sativa, apera spica-venti, capsella bursa-pastoris, cerastium glomeratum, convolvulus arvensis, lysimachia arvensis, matricaria chamomilla, medicago lupulina, papaver dubium, papaver rhoeas, persicaria maculosa, poa annua, polygonum aviculare, potentilla reptans, ranunculus repens, roemeria argemone, trifolium repens, veronica arvensis, veronica persica, artemisia vulgaris, rumex crispus