poa trivialis, agrostis stolonifera, alopecurus geniculatus, phalaris arundinacea, eleocharis palustris, lolium perenne, triglochin palustris, argentina anserina, atriplex prostrata, bolboschoenus maritimus, carex hirta, catabrosa aquatica, cerastium holosteoides, cirsium arvense, glyceria fluitans, juncus bufonius, plantago major, ranunculus repens, ranunculus sceleratus, stellaria media, trifolium repens, helosciadium nodiflorum