''Cyathea medullaris'', popularly known as the black tree fern, is a large tree fern up to 20 m tall. It is distributed across the south-west Pacific from Fiji to Pitcairn and New Zealand. It is called mamaku, katātā, kōrau, or pītau in the Māori language.
Similar species: Cyatheales
By Thibaud Aronson
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Uploaded Feb 26, 2017. Captured Dec 31, 2016 10:57 in Forestry Rd, Waipoua Kauri Forest 0376, New Zealand.