Caloplaca cerinelloides Teloschistaceae
Athallia cerinelloides (Caloplaca cerinelloides)

Growth type crustose
Chemical results: Thallus K-, apothecia K+ red

Rare but possibly under-recorded on dusty base-rich twigs including those of Buddleia, Fraxinus, Juglans, Populus tremula and Sambucus

Thallus is inconspicuous or absent with very small apothecia usually in small, crowded groups, the discs yellow or orange-yellow. Asci are 8-spored, the spores (8·5-)10-13(-15) x (5-)6-8(-9) µm. Septum (2·5-)3.5-5(-6) µm wide. Microscope photograph below.

Similar: C. phlogina, asci 8-spored, C. cerinella, asci 12-16 spored


Caloplaca cerinelloides

Caloplaca cerinelloides

Microscope photograph
Caloplaca cerinelloides, asci and spores

Caloplaca cerinelloides, asci and spores
Caloplaca cerinelloides
Broadstone, Dorset. March 2024

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