argentina anserina, pulicaria vulgaris, eleocharis acicularis, juncus compressus, bidens radiata, eleocharis palustris, rumex stenophyllus, trifolium hybridum, bidens frondosa, carex hirta, echinochloa crus-galli, inula britannica, plantago uliginosa, rorippa sylvestris, phalaris arundinacea