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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: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 1. Wawea. Arctomiaceae Th. Fr. (1860); Agyriineae; Lecanorales.

Taxonomic Literature: Henssen A. & Kantvilas G., Lichenologist 17: 85-97 (1985).

Ecology: Biotroph; lichenized; terricolous, bryophytic, lignicolous, or corticolous; substrate non-calciferous.

Lichen Photobionts: Primary photobiont present; cyanobacterial. Primary photobiont taxonomy: Nostoc; Nostocaceae; Nostocales. Secondary photobiont absent.

Thallus: Crustose or fruticose, not subdivided parts, subfruticose. Thallus Outline: Soon disappearing. Upper Surface: Brown, grey, or olive; special structures absent. Lower Surface: Attached by holdfasts; 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, soon sessile to stipitate. Margin: Indistinct; external filaments absent. Exciple: White. Periphyses: Absent. Epithecium: Apical cells brown or brownish yellow. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White.

Ascospores: c. 8 per ascus, fusiform, 17-22 µm long, 6-8 µm wide, obtuse or aciculate; septa present; transversally septate, 1-transversally septate; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present; pycnidial; immersed or stipitate, formed all accross the thallus surface.

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