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Hard
Fern (B. spicant) is the only native species of Blechnum
recorded in Britain, although Chilean Hard-fern (B. cordatum)
and Antarctic Hard-fern (B. penna-marina) have been introduced.
No
dipterous miners are recorded on Blechnum in Britain.
Elsewhere
the anthomyiid Chirosia
histricina is recorded mining Blechnum.
No
non-dipterous miners are recorded on Blechnum in Britain.
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