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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: Nesolechia aggregantula (Müll.Arg.) Rehm in Rabenh.; Lecanoraceae Körb. (1855).

Taxonomic Literature: Knoph et al. in ed., Clauzade et al. (1989: 61), Keissler (1930: 135-136 - sub Nesolechia aggregantula), Müller?Argoviensis (1874: 533), Øvstedal (1986: 67), Rambold & Triebel (1992).

Biogeography: Continent: Antarctica, Asia-Temperate, Australasia, Europe, and Southern America.

Ecology: Biotroph; lichenicolous; growing on non-calciferous rock. Host or Phorophyte Taxonomy: Candelariella, Lecanora, and Rhizoplaca, Candelariellaceae and Lecanoraceae.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Slightly constricted at the base, .25-.5 mm in diam.. Margin: Smooth, persistent, distinct to prominent. Disk: Weakly convex (mostly), black, epruinose, without an umbo. Exciple: Black, grey, green, or brown. Parathecium (proper excipulum): Dark brown. Amphithecium (thalline excipulum): Present; 20 µm wide. Epithecium: Apical cells distinctly swollen, black, grey, green, or dark turquoise. Hymenium: White or pale green. Hypothecium: Black or dark brown.

Ascospores: Oblong-obtuse, (7)-7.5-9.7-11.4-(14) µm long, (3)-3.3-3.7-4.1-(4.5) µm wide; septa absent or present (occasionally).

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