poa trivialis, agrostis stolonifera, eleocharis palustris, glyceria fluitans, holcus lanatus, persicaria hydropiper, alopecurus geniculatus, bidens cernuus, bolboschoenus maritimus, cardamine pratensis, helosciadium nodiflorum, juncus articulatus, lolium perenne, oenanthe aquatica, phalaris arundinacea, polygonum aviculare, ranunculus repens, ranunculus sceleratus, cerastium holosteoides, juncus bufonius, plantago major