Op. Bot. 42: 81 (1977).

Basionym: Lichen chalybeiformis L., Sp. pl. 2: 1155 (1753).

Synonyms: Index Fungorum

Protolog: Data lacking.

Protolog type data: Data lacking.

Type locality: Data lacking.

Type locality coordinates: Data lacking.

Molecular barcode: Data lacking.

Thallus: prostrate to decumbent, to 20 cm long, dark olivaceous brown to black, shiny. Branching irregular, sparse, main branches 0.3- 2 mm diam., often twisted and foveolate. Soralia absent or sparse, tuberculate. Pseudocyphellae absent. Apothecia unknown. Pycnidia unknown.

Photobiont:

Chemistry: Cortex and medulla PD—. Soralia PD+ red; fumarprotocetraric acid.

Ecology: Typically on rocks at shores or in alpine regions. On soil and on shrubs among tundra vegetation. Occasionally on trees and lignum.

Molecular data: Genbank

Distribution: Poorly known. Widespread according to traditional identifications. Arctic-alpine to boreal. Europe, Asia, North and South America. Database

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