hordeum murinum, cynodon dactylon, malva nicaeensis, medicago polymorpha, poa annua, sisymbrium officinale, bromus madritensis, chenopodium album, erigeron sumatrensis, erodium malacoides, geranium molle, lepidium graminifolium, lolium perenne, lysimachia arvensis, plantago lagopus, plantago lanceolata, polycarpon tetraphyllum, polygonum aviculare, rumex pulcher, silene latifolia, sonchus oleraceus, stellaria media, urtica urens