poa trivialis, agrostis stolonifera, ranunculus sceleratus, alopecurus geniculatus, carex riparia, elymus repens, phragmites australis, polygonum aviculare, cardamine pratensis, eleocharis palustris, glechoma hederacea, glyceria fluitans, lolium perenne, lolium pratense, ranunculus repens, trifolium repens, argentina anserina, phleum pratense, veronica catenata