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Data Set Maintenance: Data set compiled. Data set author(s): Kainz C. (01-09-04). Data set to be published after submission.

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

Taxonomic Literature: Wirth V. & Vezda A. Stuttgarter Beitr. Naturk., Ser.A 284: 1-4 (1975).

Thallus: Crustose (partly erect), distinctly areolate (primarily areolate); separate thallus parts thick (up to 2 mm). Upper Surface: Yellow (ochraceous); special structures present: (with subimmersed, 0.2-0.3 mm wide gypsaceous crystals, leaving deep cavities when fallen off); wrinkled.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, forming independently from the host thallus or mycelium, soon sessile, up to 1.5 mm in diam.. Margin: Lecideine/biatorine, not flexuose or strongly flexuose, excluded, distinct or prominent. Disk: Plane or strongly convex (to subglobose), black, pruinose. Exciple: Not carbonized; aeruginose or olive. Parathecium (proper excipulum): Dark brown. Amphithecium (thalline excipulum): Present. Epithecium: Apical cells distinctly swollen, dark green (K+ bluish green). Hymenium: 75-80 µm high; white; oil inspersed. Hypothecium: Dark brown (K+ purplish brown).

Ascospores: c. 8 per ascus, broadly ellipsoid, 10-12 µm long, 6-6.5 µm wide; septa absent.

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