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Lobaria (Schreb.) Hoffm. (1796)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Scholz P. (02-05-18); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: genus. Number of known taxa within this rank: 55. Lobaria. Lobariaceae Chevall. (1826); Peltigerineae; Lecanorales.

Type Information: Type: Lobaria pulmonaria (L.) Hoffm.

Taxonomic Literature: Taxonomic notes: exclusive Lobariella Yoshim. Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero

Special 7: 1-893 [503-504] (1985); Galloway D.J., Nova Hedwigia 34:

317-331 (1981); Galloway D.J., Flora of New Zealand Lichens: i

lxxiii, 1-662 [256-260], Wellington (1985); Jordan W.P., Bryologist

73 669-681 (1970); Keuck G., Biblioth. Lichenol. 6: 1-175 (1977);

Purvis O.W. in: Purvis O.W. et al. (eds), The Lichen Flora of Great

Britain and Ireland, London (1992); Yoshimura I., J. Hattori Bot.

Lab. 34: 231-364 (1971); Yoshimura I. & Arvidsson L., Acta Bot.

Fenn. 150: 223-233 (1994).

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

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

Lichen Photobionts: Primary photobiont present; cyanobacterial and chlorococcal. Primary photobiont taxonomy: Dictyochloropsis, Myrmecia, and Nostoc; Nostocaceae, Trebouxiaceae, and genus incertae sedis; Dictyochloropsis-group, Nostocales, and Trebouxiales, Cyanobacteria and Trebouxiophyceae, Prokaryota or Eukariota. Secondary photobiont absent or present. Secondary photobiont taxonomy: Nostoc, Nostocaceae, Nostocales, Cyanobacteria, Prokaryota.

Thallus: Foliose, not subdivided parts, lobed. Thallus Outline: Soon disappearing. Upper Surface: Black, green, brown, or olive; special structures absent or present:; not pseudocyphellate; eciliate; without hairs; not isidate or isidiate; not sorediate or sorediate; not cephalodiate or cephalodiate; not lobulate or lobulate; without granules granules, without thalloconidia thalloconidia. Lower Surface: Attached by holdfasts; special structures absent or present:; not pseudocyphellate; not cyphellate; not rhizinate or rhizinate; without thalloconidia thalloconidia; not cavernulate; not tomentose or 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, soon sessile. Margin: Prominent; external filaments absent. Exciple: White or brownish yellow. Periphyses: Absent. Epithecium: Apical cells brown. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White or brownish yellow.

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

Ascospores: c. 8 per ascus, fusiform, 20-52 µm long, 5-12 µm wide, obtuse or aciculate; septa present; transversally septate, (1)-3-7-transversally septate; wall thin, not thickened at the septum, dark brown, hyaline, or pale brown, 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.

Conidia: Bacilliform.

Secondary Metabolites: Present, of the following substance class(es): orcinol depsides, ß-orcinol depsidones, (tri-)terpenoids, (anthra-)quinones, and dibenzofurans [and usnic acids].

(report generated 04.Okt.2007)

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