hordeum vulgare, veronica persica, lamium purpureum, tripleurospermum inodorum, galium aparine, papaver rhoeas, persicaria lapathifolia, triticum aestivum, viola arvensis, avena fatua, capsella bursa-pastoris, conium maculatum, euphorbia helioscopia, fallopia convolvulus, geranium pusillum, lactuca serriola, myosotis arvensis, plantago major, poa annua, stellaria media, veronica arvensis, veronica polita, solanum nigrum