hordeum vulgare, apera spica-venti, cirsium arvense, convolvulus arvensis, echinochloa crus-galli, galinsoga parviflora, lamium purpureum, lapsana communis, lysimachia arvensis, matricaria chamomilla, poa annua, polygonum aviculare, sonchus arvensis, stellaria media, tripleurospermum inodorum, artemisia vulgaris, chenopodium album, elymus repens, euphorbia peplus, galium aparine, matricaria discoidea, medicago lupulina