Nutritious food can be made from the spores of this plant if it is prepared correctly. Spores form as the water dries up. Australia collected the spore cases, roasted them, discarded the cases then ground the spores to make cakes.
Most species are frost tender or only marginally frost hardy.
They are fully aquatic or marginal plants for the muddy edges of a pool. They need fertile soil, slightly acid water and full sun. Their rhizomes spread through the mud, and division of these is the best way to propagate them. This website contains a large amount of information regarding the plants housed in our diverse collections. This information is gathered from a wide variety of electronic, print and other sources.