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A new species of Apteropteris (Hymenophyllaceae) from Tasmania

INTRODUCTION The genus Apteropteris occurs only in New Zealand and in Tasmania: it is not known from mainland Australia. All material has previously been assigned to A. malingii (Hook.) Copeland (1938) which is the type species and which was apparently first discovered and collected by C. Maling on the ranges of Golden Bay, New Zealand, in 1861 (Hooker, 1862: pi. 64, as Trichomanes malingii). Detailed examination of extensive, widely separated Tasmanian collections, some New Zealand material and, as well, critical interpretation of descriptions presented in numerous botanical references has shown quite clearly that Tasmanian material represents a species distinct from A. malingii. This new species is described here.