argentina anserina, veronica catenata, limosella aquatica, plantago uliginosa, eleocharis palustris, juncus compressus, matricaria discoidea, persicaria amphibia, persicaria lapathifolia, poa annua, polygonum aviculare, pulicaria vulgaris, carex acuta, juncus bufonius, lepidium coronopus, oxybasis glauca, ranunculus repens, rorippa sylvestris