agrostis stolonifera, eleocharis palustris, poa trivialis, glyceria fluitans, lolium perenne, triglochin palustris, juncus bufonius, argentina anserina, bidens cernuus, bolboschoenus maritimus, cardamine pratensis, persicaria amphibia, persicaria hydropiper, phalaris arundinacea, plantago major, poa annua, ranunculus repens, sparganium erectum, trifolium repens, cirsium arvense, polygonum aviculare, ranunculus sceleratus