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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. Tania. Genus of unknown placement (incertae sedis); Arthoniales.

Taxonomic Literature: Egea J.M., Tehler A., Torrente P. & Sipman H., Lichenologist 27: 351-359 (1995).

Lichen Photobionts: Primary photobiont present; trentepohlioid. Secondary photobiont absent.

Thallus: Crustose, leprose or granular. Thallus Outline: Persistent. Upper Surface: White or 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; not tomentose.

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, soon sessile. Margin: Prominent; external filaments absent. Exciple: Black or brown. Epithecium: Apical cells black or brown. Interascal Hyphae: Present, scarcely branched to distinctly branched, not or scarcely anastomosed. Hypothecium: Black or brown.

Asci: Tholus thickened, amyloid, with amyloid tube; dehiscence bitunicate; exoascus not amyloid, hemiamyloid.

Ascospores: c. 8 per ascus, fusiform, 26-33 µm long, 4-5 µm wide, obtuse or aciculate; septa present; transversally septate, 3-transversally septate; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Secondary Metabolites: Present, of the following substance class(es): dibenzofurans [and usnic acids].

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