echinochloa crus-galli, glyceria arundinacea, persicaria minor, phalaris arundinacea, alisma plantago-aquatica, bidens frondosa, lysimachia vulgaris, lythrum salicaria, althaea officinalis, bolboschoenus maritimus, carex acuta, euphorbia esula, euphorbia palustris, mentha arvensis, oenanthe aquatica, rorippa palustris, schoenoplectus lacustris, sonchus arvensis, sparganium erectum, stachys palustris, xanthium strumarium