triticum aestivum, atriplex patula, equisetum palustre, erysimum cheiranthoides, fallopia convolvulus, lipandra polysperma, persicaria maculosa, poa annua, polygonum aviculare, ranunculus repens, stellaria media, chenopodium album, euphorbia helioscopia, heracleum sphondylium, holcus lanatus, lysimachia arvensis, ranunculus acris, sonchus oleraceus