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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 assimilis (Hampe ex Koerb.) Th.Fr.; Lecanoraceae Körb. (1855).

Taxonomic Literature: Clauzade & Roux (1985: 469), Hertel (1969: 324-325, 1970: 412-415, 1977a: 362-363), Rambold & Triebel (1992), Santesson (1984a: 159), Zahlbruckner (1925: 521, 1932a: 332).

Ecology: Biotroph; lichenized or lichenicolous; growing on non-calciferous rock. Host or Phorophyte Taxonomy: Aspicilia, Lecanora, Lecidea, Pertusaria, Rhizocarpon, and Tephromela, Hymeneliaceae, Lecanoraceae, Lecideaceae, Pertusariaceae, and Rhizocarpaceae.

Thallus: Crustose, areolate (primarily areolate) (bullate). Thallus Outline: Persistent. Upper Surface: Light brown or brownish yellow, glossy (shiny); special structures absent. Lower Surface: Special structures present:

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: .6-.8 mm in diam.. Margin: Prominent. Disk: Without an umbo. Exciple: Black, green, dark brown, or olive. Epithecium: Apical cells green. Hypothecium: White.

Ascospores: Broadly ellipsoid, ellipsoid, or obovoid, 8-15 µm long, 5-9.5 µm wide; septa absent.

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