poa trivialis, agrostis stolonifera, alopecurus geniculatus, glyceria fluitans, cerastium holosteoides, ranunculus repens, eleocharis palustris, elymus repens, persicaria amphibia, ranunculus sceleratus, trifolium repens, juncus articulatus, lolium perenne, oenanthe aquatica, poa annua, rumex crispus, stellaria media, alisma plantago-aquatica, bellis perennis, butomus umbellatus, capsella bursa-pastoris, cirsium arvense, plantago major, polygonum aviculare