lolium perenne, poa trivialis, persicaria amphibia, phleum pratense, ranunculus repens, trifolium repens, agrostis capillaris, agrostis stolonifera, alopecurus geniculatus, elymus repens, holcus lanatus, poa annua, glyceria fluitans, stellaria media, cardamine pratensis, cerastium holosteoides, polygonum aviculare, bolboschoenus maritimus