Botanische Staatssammlung München © 1995–2008
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Data Set Maintenance: Data set standard item. Data set author(s): Triebel D. Data set reviewer(s): Triebel D. (99-02-12; 00-03-04; 01-08-15); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 32. Epibryon. Pseudoperisporaceae Toro (1926); Dothideales.

Taxonomic Literature: Döbbeler P., Mitt. Bot. Staatssamml. München 17: 393-474
[444-457] (1981); Döbbeler P., Mitt. Bot. Staatssamml.
München 18: 341-358 (1982); Döbbeler P., Sendtnera 5: 19-27
(1998); Döbbeler P., Nova Hedwigia 66: 325-373 [341-351] (1998);
Döbbeler P. & Hertel H., Sydowia 36: 33-45 (1983);
Döbbeler P. & Menjívar R., Rev. Biol. Trop. 40: 73-81
(1992); Hoffmann N. & Hafellner J., Biblioth. Lichenol. 77: 1-190 [137-142, 148-150] (2000); Matzer M., Mycol. Pap. 171: 1-202 [101-104] (1996); Pegler
D.N., Spooner B.M. & Smith R.J.L., Kew Bull. 35: 499-562 [506-
508] (1980); Serusiaux E., Diederich P., Brand A. M. & Van den
Boom P., Lejeunia 162: 1-95 [30-32] (1999).

Biogeography: Checklist records: Austria, Germany, Great Britain, Guianas, Italy, Sweden and Norway, and United States and Canada (continental).

Ecology: Biotroph; algicolous, lichenized, or lichenicolous; bryophytic or epiphyllous; substrate non-calciferous or calciferous.

Lichen Photobionts: Primary photobiont absent or present. Primary photobiont taxonomy: Chlorococcales. Secondary photobiont absent.

Medulla: Iodine reaction in Lugol's solution negative; not different with or without KOH pre-treatment (euamyloid) or reacting violet-red without and distinctly blue with KOH pre-treatment (hemiamyloid).

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Perithecioid, orbicular, not emerging, becoming adnate to soon sessile. Wall: Not carbonized, not fused. Margin: Prominent; external filaments absent or present. Exciple: Black, brown, white, or brownish yellow. Periphyses: Absent or present. Hymenium: Iodine reaction: Lugol’s negative, hemiamyloid. Interascal Hyphae: Absent or present (only in one species present), distinctly branched, not or scarcely anastomosed. Hypothecium: Black, brown, white, or brownish yellow.

Asci: Tholus thickened, not amyloid; ocular chamber indistinct; dehiscence bitunicate; exoascus not amyloid, not hemiamyloid.

Ascospores: c. 8 to 12-16 per ascus, broadly ellipsoid, ellipsoid, filiform, cylindrical, oblong-obtuse, ovoid, clavate (obclavate), oblong, curved, or fusiform, 4-60 µm long, 1.5-9 µm wide, obtuse or aciculate; septa present; transversally septate, 1-16-transversally septate, formed by the proper spore wall or endospore wall layer; wall thin, not thickened at the septum, not constricted where the septum meets the spore wall or laterally constricted where the septum meets the spore wall, hyaline or pale brown, in Lugol's Solution negative, wall not ornamented.

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