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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: Lecidea intersita Nyl. in Crombie; Lecanoraceae Körb. (1855).

Taxonomic Literature: Knoph et al. in ed., Hertel (1984: 443-444, 1985: 304-306, 1987b: 324-325, 1989: 215), Zahlbruckner (1925: 601 - sub Lecidea intersita, 1925: 667 - sub Lecidea phaeostoma).

Thallus: Crustose, rimose or areolate (primarily areolate); separate thallus parts thin (0.4 - 0.6 (-1.0) mm). Thallus Outline: Persistent. Upper Surface: Grey or white; special structures absent. Lower Surface: Special structures present:

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Soon sessile, slightly constricted at the base, .5-.9 mm in diam.. Margin: Persistent, prominent. Disk: Excavate to weakly convex (rarely), black, pruina abundant (usually with red pruina), without an umbo. Exciple: Black or brown. Epithecium: Apical cells slightly swollen or distinctly swollen, green, olive, or orange. Hymenium: White. Hypothecium: Black, brown, white, or brownish yellow.

Ascospores: Ellipsoid or obovoid, (8)-9.8-10.8-11.8-(13) µm long, (5)-5.5-6.1-6.6-(7.5) µm wide; septa absent.

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