helosciadium nodiflorum, poa trivialis, agrostis stolonifera, ranunculus repens, trifolium repens, alopecurus geniculatus, eleocharis palustris, juncus articulatus, catabrosa aquatica, oenanthe fistulosa, triglochin palustris, agrostis capillaris, cerastium holosteoides, glyceria fluitans, lolium perenne, poa annua, cardamine pratensis, ranunculus sceleratus, rumex conglomeratus