glyceria fluitans, persicaria hydropiper, agrostis stolonifera, lolium perenne, poa trivialis, phleum pratense, bidens cernuus, capsella bursa-pastoris, oenanthe fistulosa, persicaria maculosa, plantago major, poa annua, ranunculus repens, rorippa amphibia, stellaria media, trifolium repens, epilobium hirsutum, rumex obtusifolius