agrostis stolonifera, glyceria fluitans, poa trivialis, holcus lanatus, lolium perenne, persicaria hydropiper, bidens cernuus, myosotis scorpioides, oenanthe fistulosa, eleocharis palustris, helosciadium nodiflorum, juncus articulatus, ranunculus repens, trifolium repens, butomus umbellatus, cirsium arvense, galium palustre, persicaria lapathifolia