agrostis stolonifera, alopecurus geniculatus, poa trivialis, ranunculus repens, argentina anserina, bellis perennis, cardamine pratensis, cirsium arvense, eleocharis palustris, elymus repens, glyceria fluitans, glyceria maxima, persicaria amphibia, poa annua, polygonum aviculare, carex hirta, plantago major, ranunculus sceleratus