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): Rambold G. Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 4. Peccania. Lichinaceae Nyl. (1854); Lichinales.

Taxonomic Literature: Clauzade G. & Roux C., Bull. Soc. Bot. Centre-Ouest N.S. - Numero
Special 7: 1-893 [566] (1985); Henssen A. & Büdel, B., Int.
J. Mycol. Lichenol. 1: 261-271 (1984); Morreno P.P. & Egea J.M.,
Acta Bot. Barc. 41: 1-66 (1992).

Biogeography: Checklist records: Austria, Germany, Italy, Sonoran Desert, United States and Canada (continental), and Republic of South Africa.

Lichen Photobionts: Primary photobiont present; cyanobacterial. Primary photobiont taxonomy: Chroococcidiopsis and Gloeocapsa (A. Beck 19-05-97); Microcystaceae and Xenococcaceae; Chroococcales, Cyanobacteria, Prokaryota. Secondary photobiont absent.

Thallus: Foliose or crustose, not subdivided parts, subfruticose, umbilicate. Thallus Outline: Soon disappearing. Upper Surface: Black; special structures absent. Lower Surface: Attached by holdfasts; special structures absent or present:; not pseudocyphellate; not cyphellate; not 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. Periphyses: Absent. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: White.

Ascospores: c. 4 to c. 8 per ascus, globose, broadly ellipsoid, or ellipsoid, 8-15 µm long, 4-15 µm wide, obtuse; septa absent; 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, formed all accross the thallus surface.

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