galinsoga parviflora, stellaria media, galinsoga quadriradiata, papaver rhoeas, urtica urens, arabidopsis thaliana, artemisia vulgaris, capsella bursa-pastoris, chenopodium album, cirsium arvense, erysimum cheiranthoides, euphorbia helioscopia, euphorbia peplus, galium aparine, lamium purpureum, poa annua, ranunculus repens, senecio vulgaris, sinapis arvensis