hordeum vulgare, cirsium arvense, convolvulus arvensis, medicago sativa, sinapis arvensis, stellaria media, adonis aestivalis, campanula rapunculoides, centaurea cyanus, chenopodium album, daucus carota, euphorbia exigua, geranium pusillum, lamium amplexicaule, lysimachia arvensis, medicago lupulina, myosotis arvensis, papaver rhoeas, silene latifolia, silene noctiflora, sonchus asper, stachys annua, valerianella dentata, veronica hederifolia, veronica polita, viola arvensis