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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. (94-08-23). Data set reviewer(s): Kainz C. (00-05-31); to be published after submission; 94-08-23.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Adelolecia. Lecanoraceae Körb. (1855).

Taxonomic Literature: Hertel H. & Rambold G. in Knoph J.-G., Schrüfer K. & Sipman H.J.M., Biblioth. Lichenol. 57: 211-230 (1995);Hawksworth D.L. in: Purvis O.W. et al. (eds), The Lichen Flora of Great Britain and Ireland: 1-710 [65-66] (1992);.

Thallus: Indistinct or crustose, rimose or areolate (primarily areolate) (indistinctly); separate thallus parts thick (up to 1 mm). Thallus Outline: Soon disappearing. Upper Surface: White, glossy (shiny), smooth.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Soon sessile, slightly constricted or strongly constricted at the base, .6-1.3-2.5 mm in diam.. Margin: Strongly flexuose (in older apothecia), distinct. Disk: Plane to slightly weakly convex, black, epruinose. Parathecium (proper excipulum): Not inspersed with crystals (often with yellow crystals of 7-chloroemodin). Amphithecium (thalline excipulum): Present; 40-70-100-(160) µm wide. Epithecium: Apical cells dark green (rarely olive-green) or turquoise. Hymenium: White or pale green. Hypothecium: Faintly brown or white.

Ascospores: Ellipsoid or oblong-obtuse, (5.5)-7.3-8.5-9.9-(12) µm long, (2.5)-3.2-3.8-4.4-(5.5) µm wide; septa absent; wall thin (0.3 - 0.5 µm), not ornamented (0.3 - 0.5 µm).

Secondary Metabolites: 7-chloroemodin (in apothecia, rarely absent), atranorin (in thallus, usually in traces, often absent), or emodin.

Spot Tests: Upper surface: C – (unidentified compound in some specimens), PD –.

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