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 not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: genus. Number of known taxa within this rank: 7. Myxophora. Pseudoperisporaceae Toro (1926) @EXCL@ genus of unknown placement (incertae sedis) (? Dimeriaceae); Dothideales.

Taxonomic Literature: Taxonomic notes: all species associated with cyanobacteria or cyanolichens. Döbbeler P., Mitt. Bot. Staatssamml. München 14: 1-360 [315-317] (1978); Döbbeler P., Biblioth. Lichenol. 58: 73-80 (1995); Hoffmann N. & Hafellner J., Biblioth. Lichenol. 77: 1-190 [60-79] (2000).

Biogeography: Checklist records: Austria, Germany, Great Britain, New Guinea, New Zealand, Sonoran Desert, Sweden and Norway, and United States and Canada (continental).

Ecology: Biotroph; algicolous (on cyanobacteria) or lichenicolous; bryophytic or corticolous; substrate calciferous.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Perithecioid, orbicular, not emerging, becoming adnate to soon sessile. Wall: Not fused. Margin: External filaments absent. Exciple: Brown (reddish to black-) or white. Periphyses: Present. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Absent (only in M. tjibodensis absent) or present, scarcely branched, not or scarcely anastomosed. Hypothecium: Brown (reddish to black-) or white.

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

Ascospores: c. 4 to c. 8 per ascus, broadly ellipsoid, ellipsoid, ovoid, or fusiform, 6-23 µm long, 3-9 µm wide, obtuse or aciculate; septa absent; wall thin or thick (some species with gelatinous appendices at the poles), distinctly differentiated into primary and secondary wall (some species with gelatinous appendices at the poles), hyaline, not ornamented.

Conidiomata: Absent resp. not observed or present (only known from M. tjibodensis); pycnidial.

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