agrostis stolonifera, argentina anserina, bidens tripartita, cyperus fuscus, echinochloa crus-galli, eleocharis acicularis, eleocharis palustris, juncus atratus, juncus bufonius, juncus compressus, persicaria hydropiper, plantago major, poa annua, rorippa sylvestris, trifolium fragiferum, trifolium repens, inula britannica, oenanthe aquatica, oxybasis rubra, persicaria maculosa, pulicaria vulgaris, ranunculus repens, veronica anagallis-aquatica