matricaria discoidea, poa annua, argentina anserina, viola arvensis, capsella bursa-pastoris, convolvulus arvensis, crepis capillaris, elymus repens, galinsoga parviflora, geranium pusillum, lamium purpureum, lysimachia arvensis, myosotis arvensis, persicaria lapathifolia, ranunculus repens, stellaria media, tripleurospermum inodorum, veronica agrestis, veronica persica, aphanes arvensis, galium aparine