Pseudoheppia Zahlbr. (1903)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Jørgensen P. M. (98-03-20); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 1. Pseudoheppia. Heppiaceae Zahlbr. (1906); family of unknown placement (incertae sedis); Lecanorales.

Type Information: Type: Pseudoheppia schuleri Zahlbr.

Taxonomic Literature: Zahlbruckner A., Ann. Mycol. 1: 354-361 (1903).

Ecology: Biotroph; lichenized; substrate calciferous.

Lichen Photobionts: Primary photobiont present; cyanobacterial. Primary photobiont taxonomy: Trebouxia; Trebouxiaceae; Trebouxiales. Secondary photobiont absent.

Thallus: Crustose, not subdivided parts, squamulose. Upper Surface: Brown or grey; special structures absent. Lower Surface: Attached by the whole lower surface; special structures absent.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular, forming all across the thallus surface, not emerging. Margin: Indistinct; external filaments absent. Periphyses: Absent. Epithecium: Apical cells brown. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: Brown or brownish yellow.

Asci: Dehiscence lecanoralean.

Ascospores: c. 8 per ascus, ellipsoid or oblong, 16-26 µm long, 7.5-11 µm wide, obtuse; septa absent; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Present or absent resp. not observed.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)