anthoxanthum repens, echinochloa crus-galli, rorippa palustris, oenanthe aquatica, persicaria amphibia, agrostis stolonifera, bidens tripartita, cirsium arvense, eleocharis acicularis, inula britannica, lipandra polysperma, lythrum salicaria, mentha arvensis, sonchus arvensis, stachys palustris, xanthium strumarium