text: ceratophyllum demersum, sparganium erectum, carex pseudocyperus, paspalum distichum, alisma plantago-aquatica, galium elongatum, helosciadium nodiflorum, mentha aquatica, nasturtium officinale, veronica catenata, althaea officinalis, lythrum salicaria, pulicaria dysenterica, rumex conglomeratus, scrophularia auriculata