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Lecidella aurata Knoph & Leuckert

Data Set Maintenance: Data set compiled. Data set author(s): Kainz C. (01-09-05). 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. & Leuckert C., Herzogia 14: 1-26 (2000).

Biogeography: Continent: Africa.

Ecology: Biotroph; lichenized; terricolous; substrate non-calciferous (? non-calciferous).

Thallus: Crustose, subdivided into main parts, areolate (primarily areolate). Thallus Size and Differentiation: Up to 1.5 cm long. Upper Surface: White or lemon (citrine) (pale goden).

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Becoming adnate to soon sessile, .3-.5 mm in diam.. Margin: Lecideine/biatorine, distinct. Disk: Plane to weakly convex, black, epruinose or pruinose. Exciple: Not carbonized. Parathecium (proper excipulum): Brown. Amphithecium (thalline excipulum): Present. Epithecium: Apical cells distinctly swollen (up to 4.5 µm diam.), green. Hymenium: 55-70 µm high; white. Hypothecium: White.

Ascospores: Ellipsoid, 11-14 µm long, 6-7.5 µm wide; septa absent; wall thin, not ornamented.

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

Spot Tests: Upper surface: C + orange, KC + orange.

(report generated 04.Okt.2007)

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