Paralethariicola Calat., Etayo & Diederich

Data Set Maintenance: Data set standard item. Data set author(s): Scholz P. Data set reviewer(s): Scholz P. (06-08-01); not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 1. Odontotremataceae D. Hawksw. & Sherwood (1982); Ostropales.

Type Information: Type: Paralethariicola aspiciliae Calat., Etayo & Diederich.

Taxonomic Literature: Calatayud, V., Etayo, J. & Diederich, P., Lichenologist 33: 477-482 (2001).

Ecology: Biotroph; lichenicolous; substrate calciferous.

Lichen Photobionts: Primary photobiont absent. Secondary photobiont absent.

Thallus: Indistinct (whit visible damage of the host).

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid (cleistohymenial) or perithecioid, orbicular, becoming adnate. Wall: Not carbonized, not fused. Margin: Prominent; external filaments present. Exciple: Brown (dark reddish). Periphyses: Present. Epithecium: Apical cells hyaline. Hymenium: Iodine reaction: Lugol’s positive (directly red). Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White.

Asci: Tholus thickened, not amyloid; ocular chamber broad; dehiscence unitunicate; exoascus not amyloid.

Ascospores: c. 8 per ascus, oblong-obtuse or curved, (21)-22-24.8-27-(31) µm long, 3-3.5 µm wide, obtuse; septa present; transversally septate, 3-transversally septate, formed by the proper spore wall; wall thin, not thickened at the septum, laterally constricted where the septum meets the spore wall, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)