phragmites australis, agrostis stolonifera, mentha aquatica, carex disticha, carex nigra, carex flacca, cerastium holosteoides, hydrocotyle vulgaris, poa trivialis, angelica sylvestris, argentina anserina, briza media, erigeron canadensis, holcus lanatus, pulicaria dysenterica, valeriana officinalis, juncus subnodulosus, plantago major, ranunculus repens