poa trivialis, agrostis stolonifera, alopecurus geniculatus, glyceria maxima, ranunculus repens, argentina anserina, carex hirta, cerastium holosteoides, eleocharis palustris, equisetum fluviatile, glyceria fluitans, persicaria amphibia, persicaria hydropiper, ranunculus sceleratus, stellaria media, trifolium repens, bellis perennis, berula erecta, cirsium arvense, oenanthe fistulosa