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Data Set Maintenance: Data set standard item. Data set author(s): Knoph J.-G., Rambold G. & Triebel D. (94-07-19). Data set reviewer(s): Kainz C. (00-11-15); to be published after submission; 94-07-19.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Carbonea. Synonyms: Lecidella cyanosarca (Zahlbr.) Hertel; Lecidea cyanosarca Zahlbr. f. superfusa Zahlbr. in Skottsberg; Lecanoraceae Körb. (1855).

Taxonomic Literature: Knoph et al. in ed., Hertel (1971b: 254-255), Zahlbruckner (1924: 359).

Biogeography: Continent: Southern America (only known from Juan Fernandez Islands).

Thallus: Crustose, not subdivided parts, rimose or areolate (primarily areolate); separate thallus parts thick (up to 2.5 mm). Thallus Outline: Lobed; soon disappearing. Upper Surface: White or brownish yellow, rough; special structures absent. Lower Surface: Special structures present:

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Not emerging, 1 mm in diam.. Margin: Excluded, distinct to prominent or indistinct. Disk: Plane to weakly convex, black, epruinose, without an umbo. Exciple: Black, green, or brown. Parathecium (proper excipulum): Brown or dark brown. Amphithecium (thalline excipulum): Present; 10-15 µm wide. Epithecium: Apical cells black, green, or turquoise. Hymenium: White. Hypothecium: Pale brown, brownish yellow, or brownish red.

Secondary Metabolites: 2'-O-methylperlatolic acid, confluentic acid, hopane-6a,22-diol, isoarthothelin (= 2,5,7-trichloronorlichexanthone), or norlichexanthone.

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