agrostis stolonifera, poa trivialis, alopecurus geniculatus, holcus lanatus, eleocharis palustris, glyceria fluitans, persicaria hydropiper, juncus effusus, persicaria amphibia, phalaris arundinacea, phragmites australis, poa annua, ranunculus repens, ranunculus sceleratus, stellaria media, epilobium hirsutum