viola arvensis, anthemis arvensis, bunias erucago, centaurea cyanus, fallopia convolvulus, legousia speculum-veneris, lolium rigidum, polygonum aviculare, raphanus raphanistrum, trifolium repens, veronica hederifolia, avena sterilis, cirsium arvense, convolvulus arvensis, knautia integrifolia, neslia paniculata