Caloplaca avium Imshaug in sched.

Thallus: pale orange, areolate, discontinuous
Apotheica: bright orange, without visible thalline margin but with algae in the exciple
Ascospores: polarilocular 14.5-15 x 4.0-4.5 Ám, septum narrow, ca. 2.5 Ám

Distribution: Falkland Islands: four collections (one locality) from coastal rocks

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