Irish lichens
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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. April 2012