Irish lichens
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Order: Ostropales Family: Porinaceae
Species: Porina coralloidea Photos: Glengarriff woods, Co. Cork, SW Ireland. Smooth dark greyish thallus, often with pink, purple or brownish tinge. Crowded, usually simple, cylindrical isidia. Immature isidia with paler, pointed tips. Scattered, half-immersed, black perithecia, the spores 9-11 septate. Infrequent, an 'old forest' indicator species usually found on the bark of mature to very old Oak. Also recorded from Ash and Beech. Similar: Jamesiella anastomosans has pale-grey, isidia-like structures containing a trebouxioid photobiont. |
Porina coralloidea March 2010