triticum aestivum, galinsoga parviflora, hordeum distichon, matricaria chamomilla, veronica persica, avena sativa, capsella bursa-pastoris, chaenorhinum minus, equisetum arvense, erysimum cheiranthoides, euphorbia helioscopia, fallopia convolvulus, galium aparine, geranium dissectum, lamium purpureum, lipandra polysperma, lysimachia arvensis, myosotis arvensis, plantago major, rorippa sylvestris, sherardia arvensis, silene noctiflora, sonchus asper, stellaria media, thlaspi arvense, trifolium pratense, trifolium repens, tripleurospermum inodorum, amaranthus powellii, argentina anserina, cirsium arvense, sonchus oleraceus, urtica dioica, veronica arvensis