Irish lichens

Order: Lecanorales       Family: Lecanoraceae

Species: Lecanora helicopis

Growth type crustose.
Photos: On estuary rocks, Co. Waterford, Ireland.
identified by J Douglass

Very variable. Thallus grey to brownish-grey, slightly warted or smooth and cracked, prothallus dark bluish-grey or whitish. Dark brown apothecia with margins becoming darker and excluded.

Coastal, found on shaded siliceous rocks above HWM.
Chemical reactions negative.



Lecanora helicopis

Lecanora helicopis
Lecanora helicopis. April 2012

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