agrostis stolonifera, poa trivialis, glyceria fluitans, alopecurus geniculatus, ranunculus sceleratus, stellaria media, bidens tripartita, catabrosa aquatica, eleocharis palustris, elymus repens, helosciadium nodiflorum, phalaris arundinacea, poa annua, polygonum aviculare, ranunculus repens, trifolium repens, veronica catenata, atriplex prostrata, cardamine pratensis, plantago major