poa trivialis, agrostis stolonifera, alopecurus geniculatus, ranunculus repens, trifolium repens, eleocharis palustris, galium palustre, glyceria fluitans, holcus lanatus, persicaria hydropiper, phalaris arundinacea, argentina anserina, cardamine pratensis, carex hirta, cerastium holosteoides, juncus articulatus, oenanthe fistulosa, polygonum aviculare, rorippa amphibia, sagina procumbens