helosciadium nodiflorum, nasturtium officinale, ranunculus repens, catabrosa aquatica, galium palustre, glyceria declinata, juncus articulatus, polypogon viridis, sagina sabuletorum, veronica anagallis-aquatica, veronica beccabunga, alopecurus aequalis, cyperus fuscus, epilobium parviflorum, potentilla reptans