Blechnum_novae-zelandiae_6724_OkaritoTheForks6

The distinctive ‘black-spot’ scales on the stipe (frond stalk) of kiokio (Blechnum novae-zelandiae). The similar swamp kiokio (Blechnum minus) is said to have uniformly tan scales, lacking black-spots. Photo Leon Perrie. © Te Papa.

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