apera spica-venti, convolvulus arvensis, elymus repens, setaria pumila, spergula arvensis, centaurea cyanus, cichorium intybus, cirsium arvense, euphorbia helioscopia, fallopia convolvulus, galeopsis tetrahit, galium aparine, polygonum aviculare, sinapis arvensis, thlaspi arvense, tripleurospermum inodorum, veronica hederifolia