agrostis stolonifera, glyceria fluitans, glyceria maxima, persicaria hydropiper, juncus articulatus, poa trivialis, alopecurus geniculatus, holcus lanatus, lolium perenne, oenanthe fistulosa, ranunculus repens, alopecurus pratensis, bidens cernuus, cerastium holosteoides, cirsium arvense, galium palustre, helosciadium nodiflorum, phalaris arundinacea, polygonum aviculare, ranunculus sceleratus, trifolium repens, triglochin palustris, sagittaria sagittifolia