Lecanora chlarotera Lecanoraceae
Lecanora chlarotera

Chemical results: K+ yellow, C-, P-. Apothecia margins P-
Common on tree trunks, branches and twigs, also on fences and timber.
Associated lichenicolous fungi include Vouauxiella lichenicola, Stigmidium congestum and Unguiculariopsis thallophila

Very variable, several morphs. One morph has chestut-brown discs and white thallus, another has paler discs and off-white thallus. (Ref Neil Sanderson) Thick, persistent margins with large, angular crystals. Epithecium covered with small granules visible in water, dissolving in K. Spores simple, 10-15 x 6-8 m.
Microscope photographs in water below, showing granules and crystals.

Similar: Lecanora hybocarpa, pinkish-brown, slightly pruinose disks
Lecanora pulicaris, smaller discs, the narrow margins P+ red.
Lecanora argentata. Black prothallus, no granules present in epithecium.


Lecanora chlarotera

Lecanora chlarotera

Lecanora chlarotera

Microscope photographs
Lecanora chlarotera

Lecanora chlarotera
Lecanora chlarotera

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