glyceria maxima, persicaria hydropiper, holcus lanatus, agrostis stolonifera, phalaris arundinacea, poa trivialis, glechoma hederacea, alopecurus pratensis, elymus repens, glyceria fluitans, myosotis scorpioides, persicaria amphibia, polygonum aviculare, rorippa amphibia, bidens cernuus, iris pseudacorus, persicaria mitis