centaurea cyanus, alopecurus myosuroides, roemeria apula, aphanes arvensis, erigeron annuus, matricaria chamomilla, veronica arvensis, veronica triphyllos, viola tricolor, artemisia vulgaris, avena barbata, avena fatua, capsella bursa-pastoris, convolvulus arvensis, lamium purpureum, papaver rhoeas, poa annua, stellaria media, vicia sativa, buglossoides arvensis, cerastium glomeratum, legousia speculum-veneris, veronica persica