echinochloa crus-galli, chenopodium album, convolvulus arvensis, tripleurospermum inodorum, zea mays, amaranthus powellii, apera spica-venti, capsella bursa-pastoris, chenopodiastrum hybridum, cirsium arvense, euphorbia helioscopia, geranium pusillum, lamium purpureum, lolium perenne, persicaria maculosa, sinapis arvensis, thlaspi arvense, veronica persica, fumaria officinalis