viola tricolor, chenopodium album, lepidium ruderale, medicago lupulina, artemisia absinthium, artemisia campestris, artemisia vulgaris, berteroa incana, calamagrostis epigejos, capsella bursa-pastoris, cichorium intybus, convolvulus arvensis, crepis tectorum, elymus repens, lappula squarrosa, medicago sativa, plantago major, poa compressa, potentilla norvegica, trifolium repens, arabidopsis thaliana