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Data Set Maintenance: Data set authentic. Data set author(s): Knoph, J.-G. (03-09-11). Data set reviewer(s): Knoph J.-G.; revised @EXCL@ not revised (03-10-10); to be published after submission.

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

Type Information: Basionym: Lecidea enteroleuca Ach. subspec. aeruginea H.G. Falk, Om Östra Blekinges Lafflora: 16 (1874).

Taxonomic Literature: Knoph, J.-G. & Leuckert, C. (1997): Chemotypes and distribution patterns of the non-saxicolous species of Lecidella (Lecanoraceae, Lecanorales). - In: Türk, R. & Zorer, R. (eds): Progress and Problems in Lichenology in the Nineties - IAL 3. - Bibliotheca Lichenologica 68: 129-134.

Thallus: Crustose, not subdivided parts; separate thallus parts thin (up to 0.2 mm). Thallus Size and Differentiation: Up to 0 cm long. Thallus Outline: Soon disappearing or persistent (rarely at the thallus margin, up to 0.1 mm thick); black. Upper Surface: Lemon (citrine), rough.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular, becoming adnate to soon sessile, slightly constricted at the base, sparse or moderately abundant, 0-0 mm in diam.. Margin: Lecideine/biatorine, distinct (from the beginning). Disk: Plane, black, epruinose. Exciple: Carbonized; dark blue or dark green. Parathecium (proper excipulum): White. Amphithecium (thalline excipulum): Present. Epithecium: Apical cells not swollen or slightly swollen, pale green or turquoise. Hymenium: 0-0 µm high; white; not inspers. Interascal Hyphae: Scarcely branched or distinctly branched (rarely), not or scarcely anastomosed. Hypothecium: White.

Secondary Metabolites: Arthothelin (2,4,5-trichloronorlichexanthone) or atranorin.

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