glyceria declinata, lemna minor, nasturtium officinale, alisma plantago-aquatica, callitriche obtusangula, helosciadium nodiflorum, epilobium hirsutum, equisetum ramosissimum, juncus bufonius, lathyrus aphaca, mentha suaveolens, ranunculus repens, rumex conglomeratus, samolus valerandi, scrophularia auriculata, sonchus asper