poa trivialis, agrostis stolonifera, catabrosa aquatica, persicaria hydropiper, ranunculus repens, alopecurus geniculatus, elymus repens, glyceria fluitans, argentina anserina, bidens tripartita, bolboschoenus maritimus, eleocharis palustris, lolium perenne, sagittaria sagittifolia, senecio vulgaris, stellaria media, trifolium repens, atriplex prostrata, urtica dioica