agrostis stolonifera, alopecurus geniculatus, persicaria hydropiper, glyceria fluitans, poa trivialis, equisetum fluviatile, ranunculus repens, ranunculus sceleratus, rorippa amphibia, argentina anserina, cardamine pratensis, juncus bufonius, juncus effusus, lolium perenne, persicaria amphibia, poa pratensis, polygonum aviculare, ranunculus acris, stellaria media, alisma plantago-aquatica, sparganium erectum