centaurea cyanus, stellaria media, trifolium repens, vicia cracca, viola arvensis, anthemis arvensis, apera spica-venti, avena fatua, fallopia convolvulus, galeopsis tetrahit, galium aparine, lamium purpureum, lapsana communis, legousia speculum-veneris, lolium multiflorum, myosotis arvensis, papaver rhoeas, polygonum aviculare, ranunculus repens, trifolium pratense, tripleurospermum inodorum, vicia hirsuta, vicia sativa, cirsium arvense