lolium perenne, poa trivialis, alopecurus geniculatus, poa annua, phalaris arundinacea, phleum pratense, ranunculus repens, trifolium repens, capsella bursa-pastoris, glyceria fluitans, persicaria hydropiper, polygonum aviculare, rorippa palustris, rumex obtusifolius, stellaria media, ranunculus acris, urtica dioica