poa trivialis, agrostis stolonifera, alopecurus geniculatus, elymus repens, lolium perenne, persicaria hydropiper, ranunculus sceleratus, stellaria media, bolboschoenus maritimus, cerastium holosteoides, eleocharis palustris, glyceria fluitans, polygonum aviculare, ranunculus repens, trifolium repens, atriplex prostrata, plantago major, rumex crispus, tripleurospermum maritimum