agrostis stolonifera, poa trivialis, holcus lanatus, eleocharis palustris, glyceria fluitans, juncus articulatus, oenanthe fistulosa, trifolium repens, triglochin palustris, alopecurus geniculatus, bidens cernuus, cirsium arvense, glyceria maxima, helosciadium nodiflorum, hydrocotyle vulgaris, lotus pedunculatus, persicaria hydropiper, ranunculus repens, sagina procumbens, cerastium holosteoides, scutellaria galericulata, stellaria alsine