The larvae feed on Glyceria maxima.

Others require a great deal of moisture: Manna grass (Glyceria maxima), for example, does best when grown in shallow water.

Adult beetles feed on leaves Glyceria maxima and Glyceria notata.

Reed sweet-grass (Glyceria maxima)

Glyceria maxima (Hartm.)

The larvae feed on various plants, including Carex acutiformis, Glyceria maxima and Phragmites australis.

The larvae feed on Iris pseudacorus, Glyceria maxima, Scirpus lacustris, Sparganium and Typha species.

Floating water crowfoot Ranunculus, Desmoulin's whorl snail, the sedge Carex and the reeds Phragmitesand Glyceria maxima.

Desmoulin's whorl snail lives in calcareous wetlands, where there are tall sedges, saw-sedge (Cladium mariscus), reed-grass (Glyceria maxima) or the reed Phragmites australis.