agrostis stolonifera, poa trivialis, alopecurus geniculatus, lolium perenne, ranunculus repens, glyceria fluitans, bellis perennis, cardamine pratensis, eleocharis palustris, elymus repens, juncus articulatus, phragmites australis, poa annua, ranunculus sceleratus, trifolium repens, triglochin palustris, cerastium holosteoides, trifolium dubium