bolboschoenus maritimus, atriplex prostrata, alisma gramineum, alisma plantago-aquatica, althaea officinalis, anthoxanthum repens, bidens tripartita, echinochloa crus-galli, eriochloa succincta, inula britannica, lythrum virgatum, persicaria amphibia, plantago major, rubia tatarica, rumex stenophyllus, sonchus arvensis, typha angustifolia, veronica anagallis-aquatica, xanthium strumarium