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Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (02-09-05). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Bacidina. Lecanoraceae Körb. (1855); Lecanorales.

Thallus: Not subdivided parts, granular (entirely dissolved into granules (goniocysts)); separate thallus parts thin or thick (rather). Thallus Outline: Irregular. Upper Surface: Grey (or grey-green); special structures present: (goniocysts).

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, forming independently from the host thallus or mycelium, .2-.3-.4 mm in diam.. Margin: Excluded, distinct. Disk: Plane (at first) or weakly convex, black, pale brown, or brownish red (purple-brown or occasionally pale pink, often mottled with different hues, at least some apothecia more or less black), epruinose. Parathecium (proper excipulum): White, dark brown, grey-brown, or lemon (citrine) (downwards), not inspersed with crystals. Epithecium: Apical cells slightly swollen or distinctly swollen. Hymenium: 40-44-47 µm high; pale green (to grey-green, or green-brown) or white. Hypothecium: Brownish yellow or brownish red.

Ascospores: Oval ("acicular, straight or curved"), (16)-21-23-25-(31) µm long, (1.2)-1.4-1.5-1.6-(1.9) µm wide; septa present ((0-)1.1-2.0-2.8(-7) septa).

Conidiomata: Present (60-75 µm diam., colourless); immersed (in granular thallus).

Conidia: Filiform or curved (to sigmoid; 0-1-septate); 9-24 µm long, 1 µm wide.

Secondary Metabolites: Present (Laurocerasi Brown in proper exciple and hymenium, Rubella Orange in proper exciple and hypothecium, Arnoldiana Brown in the hypothecium of some apothecia, Bacidia Green in hymenium).

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