centaurea cyanus, polygonum aviculare, chenopodium album, cirsium arvense, convolvulus arvensis, crepis foetida, fallopia convolvulus, knautia integrifolia, legousia speculum-veneris, lolium rigidum, neslia paniculata, papaver rhoeas, viola arvensis, centaurea scabiosa, galium tricornutum, gypsophila vaccaria, lysimachia arvensis, medicago lupulina, valerianella rimosa