Irish lichens

Normandina acroglypta

Genera incertae sedis

Species: Normandina acroglypta

Growth type crustose.
Photos: Over moss on Cordaline. Skibbereen, Co. Cork, SW Ireland.
Identified by Brian Coppins

The greyish-green thallus forms a diffuse crust over bryophytes on base-rich bark or rock or directly on base-rich bark. Concolorous, scattered soralia, soredia 20-40 m diam. Asci are 8-spored, spores 5-7(-8) septate, 31-37(-39) 6.5-8 m. Micrograph below. Chemical reactions negative.

Found overgrowing moss and liverworts on base-rich bark and rocks, or directly on bark. Widespread but infrequent in Ireland.

Related: Normandina pulchella. Green, squamulose thallus


Normandina acroglypta

Normandina acroglypta

Micrograph
Normandina acroglypta
Normandina acroglypta May 2010

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