poa trivialis, lolium perenne, alopecurus geniculatus, gnaphalium uliginosum, agrostis stolonifera, glyceria fluitans, plantago uliginosa, ranunculus sceleratus, rorippa palustris, rumex acetosa, bidens cernuus, cardamine pratensis, cerastium holosteoides, deschampsia cespitosa, persicaria hydropiper, ranunculus acris, ranunculus repens, argentina anserina, polygonum aviculare, rumex crispus, rumex obtusifolius