artemisia absinthium, artemisia campestris, bromus inermis, carex hirta, cichorium intybus, convolvulus arvensis, crepis tectorum, echium vulgare, elymus repens, lappula squarrosa, lepidium ruderale, medicago lupulina, medicago sativa, polygonum aviculare, ranunculus polyanthemos, trifolium repens