agrostis stolonifera, glyceria fluitans, poa trivialis, agrostis capillaris, eleocharis palustris, holcus lanatus, juncus articulatus, sagina procumbens, alopecurus geniculatus, hydrocotyle vulgaris, ranunculus sceleratus, oenanthe fistulosa, persicaria hydropiper, poa annua, rumex acetosella, stellaria media