Pellaea calidirupium is a plant, of eastern Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 restricted to rock crevices in relatively arid environments. It is found in Tasmania

Tasmania

Tasmania is an Australian island and state. It is south of the continent, separated by Bass Strait. The state includes the island of Tasmania—the 26th largest island in the world—and the surrounding islands. The state has a population of 507,626 , of whom almost half reside in the greater Hobart...

 where it is considered rare and is only found on the East Coast, the Midlands and lower slopes of the Centtral Plateau on dry rock faces. It is also found, Victoria

Victoria (Australia)

Victoria is the second most populous state in Australia. Geographically the smallest mainland state, Victoria is bordered by New South Wales, South Australia, and Tasmania on Boundary Islet to the north, west and south respectively....

 and Queensland

Queensland

Queensland is a state of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean...

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Fronds may be up to 50 cm long, and are sexually dimorphic with shorter sterile fronds with up to 12 pinnae. The stipe can occupy nearly half the length of the frond . Reddish brown scales and hairs cover both the stipe and rachis. The spore bearing rachis may have up to 40 pinnae eavh borne on a short stalk . The leaves are glossy green with characteristic in-rolled sori as a band around the paler green underside of each pinna. The terminal pinnae is sometimes greatly enlarged. [