Nardoo Family

Semiaquatic ferns grown in water for their neat, clover-like floating leaves grouped mostly in fours. Rhizome creeping, usually branched. Sterile fronds threadlike or with 2 or 4 leaves at the apex. Sori in a thick-walled fruiting structure (sporocarp).

The 2-leaved Regnellidium diphyllum Lindman, Latex Fern, from Brazil and Argentina is sometimes grown as an aquarium plant: the stem releases a white latex when broken.

3 genera, c. 70 species world-wide, mostly tropics (2 genera with 8 species in Australia).

2 and 4-leaved fronds floating on water surface.

Johnson (1986).

Source: Spencer, R. (1995). Marsileaceae. In: Spencer, R.. Horticultural Flora of South-eastern Australia. Volume 1, Ferns, conifers & their allies. The identification of garden and cultivated plants. University of New South Wales Press.

Hero image
kingdom Plantae
phylum   Tracheophyta
class    Polypodiopsida
order     Salviniales
Higher taxa
Subordinate taxa
genus       Marsilea L.