Belongs to: flowering plants
Bog bean Menyanthes trifoliata
Also known as: water shamrock, moonflower
Best time to see: mid Apr to mid Jun
Key facts
A creeping plant of freshwater bogs and shallow ponds
Large trefoil leaves are held upright above the surface
Upright spikes of pink-and-white flowers appear in spring
© Tony Gunton
© Steve Prewer