agrostis stolonifera, poa trivialis, alopecurus geniculatus, ranunculus repens, juncus articulatus, oenanthe fistulosa, sagina procumbens, trifolium repens, galium palustre, glyceria fluitans, holcus lanatus, lotus pedunculatus, persicaria hydropiper, poa annua, stellaria alsine, equisetum fluviatile, ranunculus sceleratus