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

Phyllopsora Müll. Arg. (1894)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Printzen C. (98-05-27); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 65. Phyllopsora. Biatoraceae A. Massal. ex Stiz. (1862); Lecanorineae; Lecanorales.

Type Information: Type: Phyllopsora breviuscula (Nyl.) Müll. Arg.

Taxonomic Literature: Aptroot A., Diederich P., Sérusiaux E. & Sipman H.J.M.,
Biblioth. Lichenol. 64: 1-220 [135-137] (1997); Brako L., Mycotaxon
35: 1-19 (1989); Coppins B.J. & James P.W., Lichenologist 11: 139-
179 (1979); Galloway D.J., Flora of New Zealand Lichens: i-lxxiii, 1-
662 [390-391], Wellington (1985); Kalb K. & Elix J.A. in Knoph J.-
G., Schrüfer K. & Sipman H.J.M., Biblioth. Lichenol. 57: 265-
296 [280] (1995); Swinscow T.D.V. & Krog H., Macrolichens of East
Africa: i-viii, 1-390 [213-220] (1988); Poelt J. & Vezda A.,
Biblioth. Lichenol. 16: 1-390 [247] (1981); Purvis O.W. & Coppins
B.J. in: Purvis O.W. et al. (eds), The Lichen Flora of Great Britain
and Ireland, London (1992); Schneider G., Biblioth. Lichenol. 13: 1-
291 (1979); Swinscow T.D.V. & Krog H., Lichenologist 13: 203-247

Biogeography: Checklist records: Bolivia, Great Britain, Guianas, New Guinea, New Zealand, Sonoran Desert, Thailand, United States and Canada (continental), and Republic of South Africa.

Ecology: Biotroph; lichenized; bryophytic, lignicolous, or corticolous.

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

Thallus: Crustose or foliose, squamulose, placodioid, or granular, lobed. Thallus Outline: Persistent. Upper Surface: Grey, green, white, olive, or brownish yellow; special structures absent or present:; not pseudocyphellate; eciliate; without hairs or hairy; not isidate or isidiate; not sorediate; not cephalodiate; not lobulate; without granules granules, without thalloconidia thalloconidia. Lower Surface: Attached by the whole lower surface or attached by holdfasts; special structures absent or present:; not pseudocyphellate; not cyphellate; not rhizinate; without thalloconidia thalloconidia; not cavernulate; not tomentose.

Medulla: Iodine reaction in Lugol's solution negative; not different with or without KOH pre-treatment (euamyloid).

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: Indistinct to distinct; external filaments absent or present. Exciple: Brown, red, white, brownish yellow, or orange. Periphyses: Absent. Epithecium: Apical cells brown, hyaline, brownish yellow, or orange. Hymenium: Iodine reaction: Lugol’s negative or Lugol’s positive, not hemiamyloid. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: Brown, red, white, brownish yellow, or orange.

Asci: Tholus thickened, amyloid, with non-amyloid narrow axial body and amyloid convergent flanks towards apex; ocular chamber indistinct or broad; dehiscence lecanoralean; exoascus euamyloid, not hemiamyloid.

Ascospores: c. 8 per ascus, broadly ellipsoid, ellipsoid, fusiform, ovoid, oblong, or curved, 7-55 µm long, 2-5 µm wide, obtuse or aciculate; septa absent or present; transversally septate, 1-1-transversally septate, formed by the proper spore wall; 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 sessile, formed all accross the thallus surface.

Conidiogeneous Cells: Apical. Conidia: Bacilliform.

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

(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.