brassica napus, thlaspi arvense, lapsana communis, matricaria chamomilla, capsella bursa-pastoris, cirsium arvense, euphorbia helioscopia, geranium dissectum, matricaria discoidea, myosotis arvensis, tripleurospermum inodorum, veronica persica, amaranthus retroflexus, elymus repens, equisetum arvense, fallopia convolvulus, lamium purpureum, stellaria media, viola arvensis