poa trivialis, agrostis stolonifera, glyceria fluitans, oenanthe fistulosa, persicaria hydropiper, alopecurus geniculatus, glyceria maxima, trifolium repens, capsella bursa-pastoris, catabrosa aquatica, glechoma hederacea, holcus lanatus, juncus articulatus, ranunculus repens, ranunculus sceleratus, rorippa amphibia, stellaria alsine, stellaria media, ranunculus flammula