agrostis stolonifera, poa trivialis, alopecurus geniculatus, holcus lanatus, glyceria fluitans, stellaria alsine, ranunculus sceleratus, bidens tripartita, glyceria maxima, persicaria amphibia, persicaria hydropiper, phalaris arundinacea, ranunculus repens, rorippa amphibia, trifolium repens, cardamine pratensis, glechoma hederacea, juncus articulatus, polygonum aviculare