euphorbia exigua, sonchus arvensis, vicia hirsuta, equisetum arvense, gnaphalium uliginosum, lamium amplexicaule, lysimachia arvensis, matricaria chamomilla, plantago major, poa annua, ranunculus repens, sonchus asper, tripleurospermum inodorum, aethusa cynapium, aphanes microcarpa, capsella bursa-pastoris, chaenorhinum minus, chenopodium album, cirsium arvense, euphorbia helioscopia, polypogon viridis, roemeria argemone, stellaria media, veronica arvensis, veronica persica, viola arvensis