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Coronoplectrum namibicum 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. Coronoplectrum. Lecanoraceae Körb. (1855); Lecanorales.

Taxonomic Literature: Brusse F.A., Mycotaxon 28: 131-135 (1987).

Biogeography: Continent: Africa.

Ecology: Biotroph; lichenized; terricolous; substrate non-calciferous.

Thallus: Crustose ("fruticose"), squamulose ("fruticose"); separate thallus parts thick. Thallus Size and Differentiation: Up to 1.5 cm long. Thallus Outline: Irregular. Upper Surface: Pruinose; wrinkled; not sorediate.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, forming independently from the host thallus or mycelium (terminal, solitary), up to 10 mm in diam.. Margin: Lecanorine, strongly flexuose. Epithecium: Apical cells not swollen. Hymenium: 50-60 µm high; white (J+ blue). Interascal Hyphae: Not or scarcely anastomosed. Hypothecium: White.

Ascospores: c. 8 per ascus, nearly ellipsoid, 7-9.5 µm long, 4-5.5 µm wide, obtuse; septa absent.

Conidiomata: Present (commonly apical on prominences or short branches, about 150 µm deep and 100 µm broad).

Pycnidia: Globular. Conidia: Filiform; 8-15 µm long, .8 µm wide.

Secondary Metabolites: Atranorin or stictic acid (and hypostictic acids and an unidentified terpene in the medulla).

(report generated 04.Okt.2007)

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