Paraceterach mulleri is native to Western Australia and can be found at the very northern end of the state.
Paraceterach mulleri is Not threatened in Western Australia (http://florabase.dpaw.wa.gov.au/browse/profile/13892 ), however in the Northern Territory it is considered nearly threatened (Department of land resource management, 2012).
The Rhizome grows along the ground for a little and the rest of the plant is almost standing upright. The Rhizome Scales are narrowly triangular with a length of 1.5mm, they have a thick black central band and pale thin, pliable borders.
The fronds (leaves) can range between 8 and 40cm in length.
The Stipes is brown to blackish brown and are closely packed in together. The stipes appears to be covered in triangular scales and a serrated edge with small hairs arranged in a series of single rows.
The blade of the leaves (the lamina) is densely covered in toothed scales and has a single coloured glossy appearance. When the Lamina is young it is undivided but as it ages the lamina becomes 1-pinate (it divides twice, into leaflets). The Indumentum is denser on the lower surface of the Lamina and the Rachises are very similar to the stipes. The leaves have free veins that are repeatedly forked.
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