galinsoga quadriradiata, echinochloa crus-galli, ceratodon purpureus, leptobryum pyriforme, bryum argenteum, capsella bursa-pastoris, cirsium arvense, gnaphalium uliginosum, lolium perenne, matricaria discoidea, plantago lanceolata, plantago uliginosa, ranunculus repens, riccia sorocarpa, rumex acetosella, sonchus arvensis, spergula arvensis, stellaria media, trifolium repens, anthemis arvensis, vicia tetrasperma, viola arvensis