Irish wildflowers Sitemap More: Ferns

Killarney Fern, Trichomanes speciosum

Killarney Fern
Trichomanes speciosum
Raithneach Chill Airne
Family: Hymenophyllaceae

Spores ripen June - September. Evergreen. Native.

Deep-green, transluscent fronds, 8-25cm on long, wiry stalks. Fronds much-divided, firmer than those of Filmy-ferns. Upper part of stalks winged. Stout black, creeping rhizomes covered with dark hairs. Sori's on vein-ends, narrow bell-shaped indusium, projecting bristle.

Humid, dark, sheltered sites beside waterfalls, in rock crevices and under over-hanging rocks. Very scattered distribution in Ireland. Vulnerable and very rare, protected species.


Killarney Fern, Trichomanes speciosum       Killarney Fern, Trichomanes speciosum


Killarney Fern, Trichomanes speciosum



Killarney Fern, Trichomanes speciosum. Co. Waterford June 2008 and Co. Cork June 2009

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