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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Kasalicky T. (98-06-10); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 13. Maronea. Fuscideaceae Hafellner (1984); Teloschistineae; Lecanorales.

Taxonomic Literature: Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero
Special 7: 1-893 [504] (1985); Galloway D.J., Flora of New Zealand
Lichens: i-lxxiii, 1-662 [262-263], Wellington (1985); Hafellner J.,
Crypt. Bot. 5: 99-104 (1995); Magnusson A.H., Acta Horti Gothob. 9:
41-66 (1934); Poelt J., Bestimmungsschlüssel Europäischer
Flechten: 1-757 [383-384] (1969).

Biogeography: Checklist records: Austria, Germany, Italy, New Zealand, Sonoran Desert, Sweden and Norway, Thailand, United States and Canada (continental), and Republic of South Africa.

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

Thallus: Crustose, not subdivided parts, granular. Thallus Outline: Soon disappearing or persistent. Upper Surface: Grey, green, brown, olive, or brownish yellow; special structures absent. 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: Apothecioid, orbicular, forming all across the thallus surface, becoming adnate to soon sessile. Margin: Prominent; external filaments absent. Exciple: White. Periphyses: Absent. Epithecium: Apical cells black or brown. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White.

Asci: Tholus thickened, amyloid, with amyloid cap or entirely amyloid throughout; dehiscence lecanoralean.

Ascospores: More than 32 per ascus, globose or ellipsoid, 4-12 µm long, 2-6 µm wide, obtuse; septa absent or 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; stipitate, formed all accross the thallus surface.

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