agrostis stolonifera, poa trivialis, lolium perenne, alopecurus geniculatus, glyceria fluitans, cerastium holosteoides, glyceria maxima, persicaria hydropiper, ranunculus repens, trifolium repens, argentina anserina, berula erecta, bidens cernuus, bidens tripartita, eleocharis palustris, myosotis scorpioides, persicaria amphibia, persicaria maculosa, ranunculus sceleratus, stellaria alsine, urtica dioica