agrostis stolonifera, glyceria fluitans, holcus lanatus, poa trivialis, alopecurus geniculatus, persicaria hydropiper, equisetum palustre, glechoma hederacea, glyceria maxima, lolium perenne, phalaris arundinacea, ranunculus repens, rorippa amphibia, rorippa palustris, rorippa sylvestris, stellaria media, trifolium repens, cirsium arvense, oenanthe fistulosa, polygonum aviculare, ranunculus sceleratus