A species of fern, native native to Australia, where it is widespread and common, particularly in inland regions. It is a rhizomatous perennial aquatic fern that roots in mud substrates and produces herbage that floats on the surface of quiet water bodies. It occurs in water up to one metre deep.
Marsilea drummondii is listed in the following regions:
Canberra & Southern Tablelands | Central West NSW | Riverina Murray | Far West New South Wales | Hume | Loddon Mallee | Central and Barkley