The edible fern of Tasmania and New Zealand, a variety of the common brake, Pteris aquilina variant esculenta. Also tara fern.
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1834 J. RossVan Diemen's Land Ann. 129 The most extensively diffused eatable roots..are those of the tara fern..[which] greatly resembles Pteris aquilina, the common fern, brake,..or brackin, of England,..it is known among the aborigines by the name of tara.