galinsoga parviflora, stellaria media, lamium purpureum, senecio vulgaris, euphorbia peplus, lamium amplexicaule, arabidopsis thaliana, artemisia vulgaris, capsella bursa-pastoris, chenopodium album, elymus repens, equisetum arvense, erysimum cheiranthoides, euphorbia helioscopia, geranium pusillum, papaver rhoeas, poa annua, ranunculus repens, sinapis arvensis, sonchus oleraceus, thlaspi arvense, viola arvensis