agrostis stolonifera, glyceria fluitans, holcus lanatus, phalaris arundinacea, poa trivialis, eleocharis palustris, hydrocotyle vulgaris, juncus articulatus, alopecurus geniculatus, argentina anserina, carex hirta, persicaria amphibia, persicaria hydropiper, poa pratensis, ranunculus flammula, ranunculus repens, ranunculus sceleratus, trifolium repens, triglochin palustris, cirsium arvense, sparganium erectum