triticum aestivum, equisetum arvense, convolvulus arvensis, artemisia vulgaris, capsella bursa-pastoris, chenopodium album, erysimum cheiranthoides, euphorbia helioscopia, papaver rhoeas, persicaria maculosa, poa annua, ranunculus repens, rumex crispus, stachys palustris, stellaria media, tripleurospermum inodorum, vicia tetrasperma