poa trivialis, agrostis stolonifera, glyceria fluitans, alopecurus geniculatus, sagina procumbens, holcus lanatus, ranunculus repens, trifolium repens, triglochin palustris, berula erecta, cardamine pratensis, glyceria maxima, juncus articulatus, lolium perenne, oenanthe fistulosa, poa pratensis, ranunculus sceleratus, sparganium erectum, bidens cernuus, polygonum aviculare