Irish lichens

Diploicia canescens, Pleated White
Order: Lecanorales       Family: Physciaceae

Species: Diploicia canescens

Growth type crustose, strongly placodioid.
Photos: Ballyrisode beach, Co.Cork and Foynes, Co.Limerick, Ireland.

White or very pale bluish-grey thallus covered with patches of yellowish soralia. Convex marginal lobes widening towards the apices, white-pruinose, thallus centre eroding with age. Apothecia with black discs, rare inland, can be more frequent in coastal areas.
K+ yellow, C-, KC+ yellow, P-, UV- or UV+ orange

Basic and nutrient-rich walls, rocks, headstones and trees.

Similar: Solenopsora candicans. Soredia absent


Diploicia canescens, fertile


Diploicia canescens


Diploicia canescens


Diploicia canescens       Diploicia canescens
Diploicia canescens February 2009, fertile specimen September 2010

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