stellaria media, arenaria serpyllifolia, capsella bursa-pastoris, chenopodium album, cirsium arvense, elymus repens, lamium amplexicaule, matricaria chamomilla, myosotis arvensis, plantago uliginosa, poa annua, thlaspi arvense, tripleurospermum inodorum, veronica persica, viola arvensis, lycopsis arvensis, senecio vulgaris, sinapis arvensis