centaurea cyanus, chenopodium album, polygonum aviculare, cirsium arvense, convolvulus arvensis, crepis foetida, fallopia convolvulus, lamium amplexicaule, legousia speculum-veneris, lysimachia arvensis, neslia paniculata, papaver rhoeas, viola arvensis, anthemis arvensis, gypsophila vaccaria, lolium rigidum, myosotis ramosissima