centaurea cyanus, cirsium arvense, anthemis arvensis, crepis foetida, legousia speculum-veneris, myosotis ramosissima, neslia paniculata, papaver rhoeas, polygonum aviculare, raphanus raphanistrum, atriplex patula, centaurea scabiosa, convolvulus arvensis, erodium cicutarium, gypsophila vaccaria, scandix pecten-veneris, veronica hederifolia, vicia cracca, viola arvensis