chenopodium album, equisetum arvense, medicago lupulina, sonchus oleraceus, viola arvensis, apera spica-venti, aphanes arvensis, arenaria serpyllifolia, capsella bursa-pastoris, centaurea cyanus, cirsium arvense, elymus repens, fallopia convolvulus, geranium pusillum, lysimachia arvensis, myosotis arvensis, roemeria argemone, trifolium arvense, tripleurospermum inodorum, veronica hederifolia, veronica persica