convolvulus arvensis, sinapis arvensis, avena fatua, bifora radians, capsella bursa-pastoris, euphorbia helioscopia, lysimachia arvensis, polygonum aviculare, elymus repens, euphorbia exigua, galium aparine, galium verum, myosotis arvensis, neslia paniculata, sonchus arvensis, veronica agrestis, viola arvensis, holosteum umbellatum, plantago lanceolata, silene latifolia, descurainia sophia