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Echidnocymbium speciosum Brusse

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (02-06-13). Data set not revised; to be published after submission.

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

Taxonomic Literature: Brusse F.A., Mycotaxon 29: 173-176 (1987).

Biogeography: Continent: Africa.

Ecology: Biotroph; lichenized; substrate non-calciferous.

Thallus: Crustose, granular (to papillate), rimose, or sub-areolate (primarily areolate); separate thallus parts thin (0.5-1.0 mm thick). Thallus Size and Differentiation: Up to 5 cm long. Thallus Outline: Irregular; persistent; black. Upper Surface: Lemon (citrine) ("cream").

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, soon sessile (substipitate), strongly constricted at the base, up to 4 mm in diam.. Margin: Lecanorine. Disk: Excavate. Exciple: White. Episamma: With episamma ("covered with granules"). Epithecium: Apical cells distinctly swollen. Hymenium: 50-60 µm high; white (J+ blue). Interascal Hyphae: Distinctly branched. Hypothecium: White (J+ blue).

Ascospores: c. 8 per ascus, 9-13 µm long, 5-6.5 µm wide; septa absent.

Conidiomata: Present (superficial, 150-200 µm diam.).

Pycnidia: Globular. Conidia: Filiform; 12-30 µm long, 1 µm wide.

Secondary Metabolites: Atranorin, chloroatranorin, or stictic acid.

(report generated 04.Okt.2007)

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