Appearance
''Pteris tremula'' is a terrestrial fern, with its fronds arising from the ground up to 1.3 m with an erect, tufted rhizome that is covered with narrow brown scales, rarely up to 2 m tall. The stipe is brown. The light green lacy compound fronds may reach 2 m in length and are 3-pinnate or more. The brownish sori line the undersides of the frond margins.Unlike ''Pteris vittata'' and other ''Pteris'' species, it is not able to hyperaccumulate arsenic and is damaged by levels as low as 25 mg/kg in the soil. The plant contains two cytotoxic indanonic sesquiterpenes.
Distribution
The range within Australia is Central Australia , eastern South Australia, Queensland, eastern New South Wales, Victoria and Tasmania. It is also found on Lord Howe and Norfolk Island, New Zealand, and the Kermadec Islands and Fiji. It is found in sheltered habitats in wet sclerophyll and rainforest. It has become naturalized in Argentina near the Río de la Plata.Habitat
The range within Australia is Central Australia , eastern South Australia, Queensland, eastern New South Wales, Victoria and Tasmania. It is also found on Lord Howe and Norfolk Island, New Zealand, and the Kermadec Islands and Fiji. It is found in sheltered habitats in wet sclerophyll and rainforest. It has become naturalized in Argentina near the Río de la Plata.References:
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