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More: Ferns
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Black Spleenwort
Asplenium adiantum-nigrum
Fionncha dubh
Family: Aspleniaceae
Spores ripen June-October. Evergreen. Native.
Fronds broadest at base, narrow-triangular, glossy, slightly leathery. 10-45cm.
Twice or 3-pinnate. Segments oval or lanceolate, often toothed.
Long narrow sori, near centre of segments, sometimes merging.
Midribs have winged appearance. Brittle greenish/blackish stalks.
Very variable, appearance can alter depending on habitat.
Well-drained, lightly shaded walls, banks, cliffs.
Similar:
Irish Spleenwort, A. onopteris.
Very rare, mainly SW. Fronds tripinnate, very finely dissected. Narrow segments, long, sharp tips.
Lanceolate Spleenwort, A. obvatum.
Very rare, often coastal, mainly SW. Fronds ovate-lanceolate, narrowed at base.
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Black Spleenwort