agrostis stolonifera, alopecurus geniculatus, cerastium holosteoides, cirsium arvense, glyceria fluitans, holcus lanatus, lolium perenne, lolium pratense, persicaria hydropiper, phalaris arundinacea, phleum pratense, poa pratensis, poa trivialis, ranunculus flammula, ranunculus repens, trifolium repens