Botanische Staatssammlung München © 1995–2008
Data remain intellectual property of the data set authors.

Brigantiaea Trevis. (1853)

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.

Conidiogeneous Cells: Intercalar. Conidia: Bacilliform.

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

(report generated 04.Okt.2007)

In case that additional characters and states are required to be included in this data set, consult the LIAS Instructions to Participants and follow the procedures described there.