holcus lanatus, poa trivialis, rorippa amphibia, agrostis stolonifera, glyceria fluitans, glyceria maxima, juncus effusus, phalaris arundinacea, alopecurus geniculatus, glechoma hederacea, myosotis scorpioides, oenanthe fistulosa, persicaria hydropiper, ranunculus repens, ranunculus sceleratus, stellaria alsine, polygonum aviculare