Threadfern (Blechnum filiforme) is a climbing plant consisting of a long, creeping stem with stalked fronds. Mature fronds have vegetative (sterile) fronds consisting of pairs of elongated segments, and fertile (spore-bearing) fronds with very long, thin segments.
Te whakamahi i tēnei tūemi
Te Ara - The Encyclopedia of New Zealand
Photograph by Alastair McLean
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