poa annua, crepis bursifolia, lolium perenne, malva sylvestris, medicago polymorpha, trifolium repens, avena barbata, bromus rubens, capsella rubella, carduus pycnocephalus, cynodon dactylon, echium plantagineum, erodium moschatum, glebionis segetum, poa trivialis, polycarpon tetraphyllum, polygonum aviculare, rumex pulcher, silene latifolia, trisetaria panicea, veronica arvensis