centaurea cyanus, anthemis arvensis, centaurea scabiosa, cirsium arvense, convolvulus arvensis, lamium amplexicaule, lolium rigidum, papaver rhoeas, viola arvensis, crataegus monogyna, fallopia convolvulus, legousia speculum-veneris, medicago falcata, neslia paniculata, polygonum aviculare, prunus spinosa, scandix pecten-veneris, trifolium repens, vicia pannonica