poa trivialis, agrostis stolonifera, glyceria fluitans, ranunculus repens, alopecurus geniculatus, carex hirta, eleocharis palustris, poa annua, cardamine pratensis, lolium perenne, trifolium repens, cerastium holosteoides, elymus repens, equisetum fluviatile, glechoma hederacea, phalaris arundinacea, sagina procumbens, stellaria media, persicaria maculosa, polygonum aviculare