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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Aptroot A. (95-02-10) and Lücking R. (95-08-01); revised; to be published after submission.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 1. Phylloblastia. Trichotheliaceae (Müll. Arg.) Bitter & Schill (1927); Trichotheliales.

Taxonomic Literature: Santesson R., Symb. Bot. Upsal. 12: 1-590 [292-294] (1952); Kalb K. & Vezda A., Nova Hedwigia 55(1-2): 195-209 (1992).

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

Thallus: Crustose, not subdivided parts. Thallus Outline: Soon disappearing or persistent. Upper Surface: Green, grey, or yellow; special structures absent or present:; not pseudocyphellate; eciliate; without hairs; not isidate or isidiate; not sorediate; not cephalodiate; not lobulate or lobulate; without granules granules, without thalloconidia thalloconidia. Lower Surface: Attached by the whole lower surface; special structures absent or 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: Perithecioid, orbicular, forming all across the thallus surface, soon sessile. Margin: Prominent. Exciple: Black, brown, white, or brownish yellow. Periphyses: Absent. Interascal Hyphae: Present, distinctly branched, not or scarcely anastomosed.

Ascospores: c. 8 per ascus, filiform, 130-180 µm long, 5-8 µm wide, aciculate; septa present; transversally septate, 47-71-transversally septate; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

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