bidens cernuus, juncus effusus, alopecurus geniculatus, agrostis stolonifera, glyceria fluitans, persicaria hydropiper, phalaris arundinacea, epilobium ciliatum, juncus articulatus, persicaria lapathifolia, persicaria maculosa, poa annua, polygonum aviculare, ranunculus repens, stellaria media, equisetum fluviatile, ranunculus flammula