Catolechia Flot. (1850)

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. Catolechia. Rhizocarpaceae Hafellner (1984); Cladoniineae; Lecanorales.

Type Information: Type: Catolechia wahlenbergii (Ach.) Körb.

Taxonomic Literature: Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero Special 7: 1-893 [283] (1985); Hafellner J., Mayrhofer H., Poelt J., Herzogia 5: 39-79 (1979); Hafellner J., Nova Hedwigia 30: 673-692 (1978); Poelt J. & Vezda A., Biblioth. Lichenol. 9: 1-258 [43] (1977); Hawksworth D.L. in: Purvis O.W. et al. (eds), The Lichen Flora of Great Britain and Ireland, London (1992); Sheard J.W., Lichenologist 2: 225-262 (1964).

Biogeography: Checklist records: Austria, Germany, Great Britain, Sonoran Desert, Italy, Sweden and Norway, and United States and Canada (continental).

Ecology: Biotroph; lichenized; terricolous or bryophytic.

Lichen Photobionts: Primary photobiont present. Primary photobiont taxonomy: Elliptochloris (A. Beck 22-05-97); genus incertae sedis; family of unknown placement (incertae sedis), Trebouxiophyceae, Eukariota. Secondary photobiont absent.

Thallus: Crustose, squamulose or rimose. Thallus Outline: Soon disappearing. Upper Surface: Yellow; special structures absent. Lower Surface: Attached by the whole lower surface; special structures present:; not pseudocyphellate; not cyphellate; not rhizinate; without thalloconidia thalloconidia; not cavernulate; tomentose.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular or irregular, forming all across the thallus surface, becoming adnate to soon sessile. Margin: Indistinct to distinct; external filaments absent. Exciple: Black or brown. Periphyses: Absent. Epithecium: Apical cells black, green, or olive. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed. Hypothecium: Black or brown.

Asci: Tholus thickened, amyloid, with amyloid cap; dehiscence lecanoralean.

Ascospores: c. 8 per ascus, ellipsoid, 11-18 µm long, 7-10 µm wide, obtuse; septa absent or present; transversally septate, 1-3-transversally septate; wall thin, not thickened at the septum, dark brown, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present.

Secondary Metabolites: Present, of the following substance class(es): ß-orcinol depsidones and pulvinic acid derivatives.

(report generated 04.Okt.2007)