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

Lecidella commutata Knoph & Leuckert

Data Set Maintenance: Data set compiled. Data set author(s): Kainz C. (01-09-05). Data set reviewer(s): Knoph J.-G.; revised @EXCL@ not revised (03-10-10); to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Lecidella. Lecanoraceae Körb. (1855); Lecanorales.

Taxonomic Literature: Knoph J.-G., Garnitz R. & Leuckert C., Mycotaxon 71: 163-168

Biogeography: Continent: Australasia and Southern America.

Ecology: Biotroph; lichenized; lignicolous or corticolous.

Thallus: Crustose, not subdivided or subdivided into main parts, areolate (primarily areolate); separate thallus parts.05-.2 mm wide; thin (up to 0.5 mm). Thallus Size and Differentiation: Up to 1.5 cm long. Thallus Outline: Soon disappearing or persistent (rarely at the thallus margin or between the areoles); black. Upper Surface: White or lemon (citrine), rough.

Medulla: Iodine reaction in Lugol's solution negative.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, soon sessile, slightly constricted at the base, .2-.4 mm in diam.. Margin: Lecideine/biatorine, excluded (in the more convex apothecia), distinct (from the beginning). Disk: Plane to weakly convex (rarely), black, epruinose. Exciple: Carbonized; white or pale grey-green (yellowish olive-grey). Parathecium (proper excipulum): White. Amphithecium (thalline excipulum): Present. Epithecium: Apical cells hyaline or pale grey-green (yellowish olive-grey). Hymenium: 50-95 µm high; white. Hypothecium: White.

Ascospores: Ellipsoid, 7.5-12.5 µm long, 4.5-7.5 µm wide.

Secondary Metabolites: 2,5,7-trichloro-3-O-methylnorlichexanthone (trace) or vicanicin (major compound; vicanicinmonomethylether trace).

(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.