Edrudia W. P. Jord. (1980)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 1. Edrudia. Lecanoraceae Körb. (1855); Lecanorineae; Lecanorales.

Type Information: Type: Edrudia constipans (Nyl.) W.P. Jord.

Taxonomic Literature: Jordan W.P., Bryologist 83: 64-67 (1980).

Biogeography: Checklist records: United States and Canada (continental).

Ecology: Biotroph; lichenized; substrate non-calciferous.

Lichen Photobionts: Primary photobiont present. Secondary photobiont absent.

Thallus: Crustose, not subdivided parts, subfruticose. Upper Surface: Black, brownish yellow, orange, or white; special structures absent. Lower Surface: Attached by the whole lower surface or attached by holdfasts; special structures absent.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular, forming directly at the thallus margin, soon sessile to substipitate. Margin: Prominent; external filaments absent. Exciple: White. Periphyses: Absent. Epithecium: Apical cells orange. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White or brownish yellow.

Asci: Tholus thickened, amyloid, with non-amyloid wide axial body and divergent amyloid flanks towards apex; dehiscence lecanoralean.

Ascospores: c. 8 per ascus, ellipsoid, 9.5-14.5 µm long, 4.6-6 µm wide, obtuse; septa absent; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present; pycnidial; immersed, formed all accross the thallus surface.

Conidia: Bacilliform or filiform.

Secondary Metabolites: Present, of the following substance class(es): (anthra-)quinones.

(report generated 04.Okt.2007)