Asteroporum Müll. Arg. (1884)

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: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 3. Asteroporum. Pyrenulaceae Rabenh. (1870) (not studied acc. to Aptroot in lit.); Pyrenulales.

Type Information: Type: Asteroporum perminimum Müll. Arg.

Taxonomic Literature: Müller J., Rev. Mycol. (Toulouse) 6: 1-9 [? 14] (1884).

Ecology: Biotroph; lichenized; substrate calciferous.

Lichen Photobionts: Primary photobiont present. Secondary photobiont absent.

Thallus: Indistinct or crustose. Upper Surface: White; special structures absent. Lower Surface: Attached by the whole lower surface; special structures absent.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Perithecioid, orbicular, forming all across the thallus surface. Margin: External filaments absent. Periphyses: Absent. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed.

Asci: Dehiscence bitunicate.

Ascospores: c. 8 per ascus, oblong, oblong-obtuse, or ovoid, 12-17 µm long, 7-8 µm wide, obtuse; septa present; transversally septate, 1-transversally septate; wall not thickened at the septum, laterally constricted where the septum meets the spore wall, hyaline, in Lugol's Solution negative.

Conidiomata: Absent resp. not observed or present.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)