agrostis stolonifera, glyceria fluitans, helosciadium nodiflorum, eleocharis palustris, poa trivialis, trifolium repens, holcus lanatus, juncus articulatus, oenanthe fistulosa, bidens cernuus, lotus pedunculatus, myosotis scorpioides, plantago major, ranunculus repens, ranunculus sceleratus, argentina anserina, cirsium arvense