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Lecidella xylophila (Th. Fr.) Knoph & Leuckert

Data Set Maintenance: Data set authentic. Data set author(s): Knoph, J.-G. (03-09-11). Data set to be published after submission.

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

Taxonomic Literature: Knoph J.-G. (1990).

Ecology: Biotroph; lichenized; corticolous.

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.

Medulla: Iodine reaction in Lugol's solution negative.

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: Not 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.

Ascospores: c. 8 per ascus, ellipsoid or ovoid, 0-0 µm long, 0-0 µm wide.

Conidiophores: Vobis-type III. Conidia: Filiform or curved.

Secondary Metabolites: Atranorin.

(report generated 04.Okt.2007)

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