agrostis stolonifera, alopecurus geniculatus, glyceria fluitans, poa trivialis, ranunculus repens, ranunculus sceleratus, catabrosa aquatica, eleocharis palustris, hydrocotyle vulgaris, persicaria hydropiper, argentina anserina, carex hirta, glyceria maxima, persicaria amphibia, phalaris arundinacea, polygonum aviculare, sagina procumbens, trifolium repens, berula erecta, juncus articulatus