triticum aestivum, chenopodium album, elymus repens, euphorbia helioscopia, myosotis arvensis, silene latifolia, veronica arvensis, apera spica-venti, avena fatua, cirsium arvense, galium aparine, lycopsis arvensis, lysimachia arvensis, sonchus asper, veronica persica, viola arvensis, anthemis arvensis, arenaria serpyllifolia, papaver rhoeas, tripleurospermum inodorum