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Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Kasalicky T. (98-04-01); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 15 (estimation provided by A. Aptroot 99-09-27). Brigantiaea. Brigantiaeaceae Hafellner & Bellem. (1982); Teloschistineae; Lecanorales.

Type Information: Type: Brigantiaea leucoxantha (Spreng.) R. Sant. & Hafellner = Brigantiaea mariae Trevis.

Taxonomic Literature: Awasthi D.D. & Srivastava P., Proc. Indian Acad. Sci (Pl. Sci.) 99: 165-177 (1989); Galloway D.J., Flora of New Zealand Lichens: i-lxxiii, 1-662 [40-42], Wellington (1985); Hafellner H., Beih. Nova Hedwigia 79: 241-371 [269-270] (1984); Hafellner J. in: Tibell L. & Hedberg I. (eds), Symb. Bot. Upsal. 32: 35-74 (1997); Poelt J. & Vezda A., Biblioth. Lichenol. 16: 1-390 [116] (1981); Purvis O.W. in: Purvis O.W. et al. (eds), The Lichen Flora of Great Britain and Ireland, London (1992); Santesson R., Symb. Bot. Upsal. 12: 1-590 [116] (1952).

Biogeography: Checklist records: Great Britain, Sweden and Norway, New Zealand, United States and Canada (continental), Guianas, Thailand, New Guinea, and Bolivia.

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

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

Thallus: Crustose, granular. Thallus Outline: Soon disappearing or persistent. Upper Surface: Green, grey, olive, or white to yellow; special structures absent to present:; not pseudocyphellate; eciliate; without hairs; not isidate to isidiate; not sorediate to sorediate; not cephalodiate; not lobulate; without granules granules, without thalloconidia thalloconidia. Lower Surface: Attached by the whole lower surface; special structures absent to present:

Reproduction Strategy: Only known as sterile, asexually reproducing form to with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular, forming all across the thallus surface, soon sessile to substipitate. Margin: Prominent; external filaments absent. Exciple: White to orange to red. Periphyses: Absent. Epithecium: Apical cells black to brown to orange to red to yellow. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White to brownish yellow to orange.

Asci: Tholus thickened, amyloid, entirely amyloid throughout; ocular chamber broad; dehiscence lecanoralean.

Ascospores: 1–2 per ascus, ellipsoid to broadly ellipsoid, 48-120-(150) µm long, 24-52-(55) µm wide, obtuse; septa present; both transversally and longitudinally, 10-36-transversally septate; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

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

Secondary Metabolites: Present, of the following substance class(es): ß-orcinol depsides to (tri-)terpenoids to (anthra-)quinones.

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