Phaeocalicium A. F. W. Schmidt (1970)

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: 10. Phaeocalicium. Mycocaliciaceae A.F.W. Schmidt (1970); of unknown placement (incertae sedis).

Type Information: Type: Phaeocalicium praecedens (Nyl.) A.F.W. Schmidt.

Taxonomic Literature: Purvis O.W. in: Purvis O.W. et al. (eds), The Lichen Flora of Great Britain and Ireland, London (1992); Tibell L., Beih. Nova Hedwigia 79: 597-713 (1984).

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

Ecology: Biotroph or saprobic; algicolous? or fungicolous; bryophytic or corticolous.

Lichen Photobionts: Primary photobiont absent. Secondary photobiont absent.

Thallus: Indistinct.

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, substipitate or stipitate. Margin: Prominent; external filaments absent. Exciple: Black or brown. Hymenium: Mazaedioid.

Asci: Tholus not thickened; dehiscence prototunicate.

Ascospores: Ellipsoid, 10-13 µm long, 4-6 µm wide, obtuse; septa absent or present; transversally septate, 1-1-transversally septate; wall thin, not thickened at the septum, dark brown, in Lugol's Solution negative, wall not ornamented or ornamented.

Conidiomata: Absent resp. not observed or present.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)