brassica napus, papaver rhoeas, capsella bursa-pastoris, veronica persica, viola arvensis, mercurialis annua, stachys annua, avena fatua, convolvulus arvensis, delphinium consolida, euphorbia helioscopia, hordeum vulgare, silene noctiflora, sonchus oleraceus, stellaria media, veronica polita, lamium amplexicaule