Ochrolechia parella Pertusariaceae
Ochrolechia parella

Growth type crustose
Cortex K-, C- (or C+ yellow), UV-. Apothecia C+ red, KC+ red, UV+ white

Can be frequent on coasts and inland on siliceous or slightly basic rocks and walls. Occasionally found on wood and trees.

Numerous +/- white-pruinose, pinkish apothecia on a thick, warted, grey or whitish thallus. The thallus is surrounded by a zoned prothallus with thickened margins. Asci 2-8 spored, spores simple, 45-75 x 25-45 Ám. Microscope photographs below.


Ochrolechia parella

Ochrolechia parella

Ochrolechia parella

Microscope photographs
Ochrolechia parella

Ochrolechia parella
Ochrolechia parella
On weathered timber. Brands Bay, Dorset. May 2013. On Oak, Pamphill Green. January 2016

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