argentina anserina, agrostis stolonifera, poa annua, bidens frondosa, bidens tripartita, cyperus fuscus, echinochloa crus-galli, eleocharis acicularis, inula britannica, juncus atratus, juncus bufonius, juncus compressus, mentha arvensis, persicaria amphibia, persicaria maculosa, plantago major, pulicaria vulgaris, ranunculus repens, rorippa sylvestris, trifolium fragiferum, trifolium repens, triglochin palustris, veronica anagallis-aquatica, oenanthe aquatica, polygonum aviculare, xanthium orientale