Any of various ferns constituting the widespread genus Blechnum (family Blechnaceae), typically having rather hard pinnate fronds; esp. B. spicant…
an evergreen fern of New Zealand, Blechnum discolor (family Blechnaceae), having a short upright stem and upright fronds with silvery undersides.
a common weedy fern of New Zealand, Paesia scaberula (family Dennstaedtiaceae).
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