poa trivialis, alopecurus geniculatus, glyceria fluitans, lolium perenne, phalaris arundinacea, agrostis stolonifera, lolium pratense, poa annua, acorus calamus, cerastium holosteoides, holcus lanatus, juncus effusus, persicaria hydropiper, phleum pratense, polygonum aviculare, ranunculus repens, stellaria media, trifolium repens, ranunculus acris, ranunculus flammula, rumex obtusifolius