agrostis gigantea, persicaria hydropiper, poa trivialis, phalaris arundinacea, alopecurus geniculatus, elymus repens, poa annua, agrostis stolonifera, eleocharis palustris, glyceria fluitans, juncus bufonius, polygonum aviculare, stellaria media, veronica catenata, cerastium holosteoides, cirsium arvense, ranunculus repens, ranunculus sceleratus