thlaspi arvense, chenopodium album, lactuca serriola, lamium purpureum, stellaria media, cirsium vulgare, convolvulus arvensis, dactylis glomerata, galium aparine, lapsana communis, medicago varia, ranunculus repens, senecio vulgaris, sonchus arvensis, veronica persica, centaurea cyanus, centaurea scabiosa, plantago lanceolata, viola arvensis