alopecurus geniculatus, argentina anserina, rorippa sylvestris, plantago major, atriplex calotheca, bolboschoenus maritimus, eleocharis palustris, gnaphalium uliginosum, oxybasis glauca, persicaria lapathifolia, poa annua, polygonum aviculare, ranunculus repens, rumex conglomeratus, rumex crispus, tripleurospermum inodorum