eleocharis palustris, poa trivialis, alopecurus geniculatus, glyceria fluitans, agrostis stolonifera, holcus lanatus, juncus articulatus, trifolium repens, argentina anserina, bellis perennis, berula erecta, cerastium holosteoides, lolium perenne, mentha aquatica, plantago major, ranunculus repens, ranunculus sceleratus, geranium dissectum