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

The description has been generated directly from a database. In cases of errors and insufficiencies consult the corresponding LIAS data entry and revision forms to make the necessary modifications. Changes will appear in the subsequent update of data entry forms and natural language descriptions. [To verify the actual status of the pages, select the reload frame function in the context menu!]
These pages are XHTML compatible designed. May be that problems arise with older web browser versions.

Data Set Maintenance: Data set standard item. Data set author(s): Triebel D. Data set reviewer(s): Scholz P. (07-07-24) and Triebel D. (98-01-01; 00-06-12; 02-06-22); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 4. Corticifraga. Genus of unknown placement (incertae sedis); Leotiales.

Taxonomic Literature: Etayo J., Biblioth. Lichenol. 84:1-154 [41] (2002); Hawksworth D.L.
& Santesson R., Biblioth. Lichenol. 38: 121-143 (1990);
Martínez Moreno M.I., Ruzia 15: 1-200 [166-168] (1999);
Rambold G. & Triebel D., Biblioth. Lichenol. 48: 1-201 [163]
(1992); Zhurbenko M., Lichenologist 39: 221-226 (2007).

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

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 or perithecioid, orbicular, irregular, or linear, not emerging. Margin: Indistinct to prominent; external filaments absent. Exciple: White, olive, brownish yellow, or brown. Periphyses: Absent. Epithecium: Apical cells hyaline, black, olive, brownish yellow, or brown. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White, brownish yellow, or brown.

Asci: Tholus thickened, not amyloid; dehiscence unitunicate; exoascus not amyloid, not hemiamyloid.

Ascospores: c. 8 per ascus, ellipsoid, narrowly fusiform, or curved, (12)-13-24-(45) µm long, (3)-4-7-(8.5) µm wide, obtuse or aciculate; septa absent or present (rarely aseptate); transversally septate, 1-3-transversally septate; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

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.

LIAS Home