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Lecidella herteliana Knoph & Leuckert

Data Set Maintenance: Data set compiled. Data set author(s): Kainz C. (01-09-05). Data set 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. & Leuckert C., Nova Hedwigia 59(3-4): 455-508 (1994).

Biogeography: Alpine. Continent: Southern America.

Ecology: Biotroph; lichenized; substrate non-calciferous.

Thallus: Indistinct or crustose, subdivided into main parts, scattered areolate (primarily areolate); separate thallus parts.1-.7 mm wide; thin (up to 0.4 mm). Upper Surface: Grey (dirty), white, or pale brown, matt, rough.

Upper Cortex: Up to 10 % of thallus width. Medulla: Iodine reaction in Lugol's solution negative.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, strongly constricted at the base, .2-.5 mm in diam.. Margin: Lecideine/biatorine, persistent (mostly), distinct (from the beginning). Disk: Plane or weakly convex, black, epruinose. Exciple: Not carbonized; dark green. Parathecium (proper excipulum): Brown or grey-brown. Amphithecium (thalline excipulum): Present. Epithecium: Apical cells distinctly swollen (up to 5 µm diam.), green (intensely), dark green, or turquoise. Hymenium: 44-55-70 µm high; white. Interascal Hyphae: Scarcely branched or distinctly branched (rarely), not or scarcely anastomosed. Hypothecium: White.

Ascospores: Ellipsoid, 9-12-14 µm long, 6-7-8 µm wide.

Secondary Metabolites: Present, only in the upper part of the cortex (inspersed throughout with colorless to yellowish crystals), arthothelin (2,4,5-trichloronorlichexanthone).

Spot Tests: Upper surface: C + orange, KC + orange.

(report generated 04.Okt.2007)

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