Tags: Fern.
Platyzoma microphyllum the sole species in genus Platyzoma is a fern native to northern Australia. It occurs in the Kimberley region of Western Australia; in the Northern Territory and Queensland and in northern New South Wales where it is considered endangered.Platyzoma is unusual among ferns in that it may display incipient heterospory.Microsporangia produce 32 microspores each 71-101μm in diameter. Megasporangia produce 16 megaspores each 163-183μm in diameter.