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

Austropeltum Henssen, Döring & Kantvilas (1992)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Döring H. (95-06-02, 00-02-07, 00-02-21); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 1. Austropeltum. Sphaerophoraceae Fr. (1831); family of unknown placement (incertae sedis); Lecanorales.

Type Information: Type: Austropeltum glareosum Henssen, Döring & Kantvilas.

Taxonomic Literature: Taxonomic notes: The type of boundary tissue present in the ascomata of Austropeltum,
Neophyllis and the mazaediate genera Bunodophoron, Leifidium and
Sphaerophorus is suggested as a synapomorphy of the family
Henssen A., Döring H. & Kantvilas G., Bot. Acta 105: 457-467
(1992); Wedin M. & Döring H., Mycol. Res. 103: 1131-1137
(1999); Wedin M., Döring H. & Ekman S., Lichenol. 32: 171-187 (2000); Döring H. & Wedin M., Plant Biol. 2: 361-367 (2000).

Biogeography: Checklist records: Australia and New Zealand.

Ecology: Biotroph; lichenized; terricolous.

Lichen Photobionts: Primary photobiont present; chlorococcal. Secondary photobiont absent.

Thallus: Crustose or foliose (peltate to umbilicate), not subdivided parts, squamulose, placodioid, or rimose, peltate, umbilicate (peltate to umbilicate). Thallus Outline: Soon disappearing. Upper Surface: Black, brown, or olive; special structures absent. Lower Surface: Attached by holdfasts; special structures present:; not pseudocyphellate; not cyphellate; not rhizinate; without thalloconidia thalloconidia; not cavernulate; tomentose.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular or irregular, forming directly at the thallus margin, soon sessile to substipitate (usually a short pseudopodetial stipe is formed). Margin: Indistinct; external filaments absent. Periphyses: Absent. Epithecium: Apical cells black, grey, or brown. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: Black or brown.

Asci: Tholus thickened, amyloid, with amyloid tube; dehiscence lecanoralean.

Ascospores: c. 8 per ascus, fusiform, (9)-11-16 µm long, 3-4.5 µm wide; 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 or stipitate, formed along the thallus periphery.

Conidiogeneous Cells: Apical or intercalar. Conidia: Filiform or curved; not branched; aseptate.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)

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.