Description:
Thallus: greyish-white, smooth, generally deeply cracked, sorediate.
Apothecia: frequent; black, convex and immarginate
Ascospores: simple (rarely 1-septate), 27-51 x 17-29 µm

Chemistry: Perlatolic acid and virensic acid Pd+ orange-red.

Distribution & Ecology:
Widely distributed in the southern cool-temperate zone. Several collections from Chile, Argentina (Isla de los Estados), New Zealand (Auckland Islands, Campbell Island, South Island) and Tasmania. Epiphytic and terricolous, over bryophytes.

Notes:
Distinguished from ofther sorediate species by the Pd+ orange-red reaction.

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