achillea millefolium, fallopia convolvulus, galium spurium, avena sativa, centaurea scabiosa, chenopodium album, cirsium arvense, convolvulus arvensis, elymus repens, knautia arvensis, melilotus officinalis, silene vulgaris, sonchus arvensis, aethusa cynapium, centaurea cyanus, echium vulgare, euphorbia exigua, euphorbia helioscopia, linaria vulgaris, plantago lanceolata, rumex crispus, sherardia arvensis, sinapis arvensis, sonchus asper, thlaspi arvense