glyceria fluitans, holcus lanatus, agrostis stolonifera, eleocharis palustris, triglochin palustris, hydrocotyle vulgaris, juncus articulatus, oenanthe fistulosa, trifolium repens, bidens cernuus, helosciadium nodiflorum, persicaria hydropiper, persicaria minor, phalaris arundinacea, poa trivialis, polygonum aviculare, ranunculus repens, stellaria alsine, ranunculus sceleratus