tripleurospermum inodorum, apera spica-venti, elymus repens, stellaria media, centaurea cyanus, lysimachia arvensis, cirsium arvense, euphorbia helioscopia, galium aparine, lamium purpureum, myosotis arvensis, papaver rhoeas, persicaria maculosa, polygonum aviculare, thlaspi arvense, veronica arvensis, veronica persica, viola arvensis