echinochloa crus-galli, persicaria amphibia, achillea salicifolia, agrostis stolonifera, alisma plantago-aquatica, bidens tripartita, cirsium arvense, lipandra polysperma, lysimachia vulgaris, lythrum salicaria, mentha arvensis, oenanthe aquatica, phalaris arundinacea, rorippa palustris