text: cardamine amara, salix purpurea, helosciadium nodiflorum, persicaria hydropiper, bidens frondosa, callitriche stagnalis, myosotis scorpioides, phragmites australis, alisma plantago-aquatica, caltha palustris, calystegia sepium, jacobaea paludosa, lycopus europaeus, lythrum salicaria, ranunculus repens, solanum dulcamara, symphytum officinale