hordeum vulgare, sinapis arvensis, adonis aestivalis, cirsium arvense, convolvulus arvensis, sonchus arvensis, achillea millefolium, artemisia vulgaris, centaurea cyanus, centaurea scabiosa, euphorbia helioscopia, fumaria vaillantii, geranium pusillum, knautia arvensis, lamium amplexicaule, medicago sativa, papaver rhoeas, polygonum aviculare, rubus caesius, rumex crispus, thlaspi arvense, veronica hederifolia, ranunculus repens