Allographa anguilliradians

Species of lichen

Allographa anguilliradians is a species of corticolous (bark-dwelling), crustose lichen in the family Graphidaceae. It has been found in Trinidad and Tobago and Central-West Brazil. Its thallus covers an area of 3 to 7 cm in diameter with a slim profile and a variable surface texture, with a distinct metallic pale grey-olive colour without a prothallus. Its reproductive structures, known as lirellae, form a star-like pattern with black, carbonised outer layers and clear, colourless hymenium, while its ascospores are oblong and segmented, reacting violet-blue to iodine-based stains.

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