poa trivialis, agrostis stolonifera, alopecurus geniculatus, glyceria fluitans, lolium perenne, phragmites australis, elymus repens, cerastium holosteoides, eleocharis palustris, myosotis scorpioides, persicaria amphibia, ranunculus repens, ranunculus sceleratus, trifolium repens, juncus articulatus, polygonum aviculare, rumex crispus, stellaria media