argentina anserina, eleocharis palustris, caltha palustris, carex nigra, gnaphalium uliginosum, mentha aquatica, prunella vulgaris, cirsium vulgare, dactylis glomerata, jacobaea vulgaris, juncus bufonius, matricaria discoidea, persicaria maculosa, ranunculus repens, rumex obtusifolius, sinapis arvensis, veronica anagallis-aquatica