echinochloa crus-galli, bolboschoenus maritimus, bidens frondosa, phalaris arundinacea, stachys palustris, alisma plantago-aquatica, althaea officinalis, anthoxanthum repens, eriochloa succincta, euphorbia esula, glyceria arundinacea, juncus gerardi, lipandra polysperma, oenanthe aquatica, oxybasis rubra, rubia tatarica, sonchus arvensis