Hippurus

These plants are found in the temperate regions of the northern hemisphere. They are most common in garden ponds.

Hippurus vulgaris

Its aerial leaves differ in shape from those underwater. The water spruce can be cultivated in a tropical aquarium. Size: under 50 cm submerged, 10-15 cm above water.

• Riccia
• Caulerpas
• Spathiphyllum
• Mediterranean algae
• Elodea and Egeria