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Lecidella carpathica Körb.

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (00-06-10). Data set reviewer(s): Knoph J.-G.; revised (03-10-22); to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Lecidella. Synonyms: Lecidea pertingens Nyl.; Lecidea loudiana Zahlbr.; Lecidea fennica
Räs.; Lecidea kotiluotensis Vain.; Lecidea subsmaragdula H.
Magn.; Lecidea baskalensis Szat.; Lecidea suprasedens Zahlbr.;
Lecidea carpathica (Koerb.) Szat. var. caucasica Szat.; Lecidea
durietzii H. Magn.; Lecidea diffractula H. Magn.; Lecidea latypizella

Lecanoraceae Körb. (1855); Lecanorales.

Type Information: Basionym: Lecidea carpathica (Koerb.) Szat. 1916. Bot. Közlem. 15:26.

Taxonomic Literature: Knoph, J.-G. (1990): Untersuchungen an gesteinsbewohnenden xanthonhaltigen Sippen der Flechtengattung Lecidella (Lecanoraceae, Lecanorales) unter besonderer Berücksichtigung von außereuropäischen Proben exklusive Amerika; Bibl. Lichenol. 36: 1-183 [139-150].
Leuckert, C. et al. (1990): Chemotaxonomische Studien in der Gattung Lecidella (Lecanoraceae, Lecanorales) I - Lecidella carpathica und Lecidella viridans - Untersuchungen an mittel- und südeuropäischen Proben; Herzogia 8: 265-272 [268-269].
Knoph, J.-G. & Leuckert, C. (1994): Chemotaxonomic studies in the saxicolous species of the lichen genus Lecidella (Lecanoraceae, Lecanorales) in America. - Nova Hedwigia 59: 455-508 [471-473].

Biogeography: Continent: Africa, Asia-Temperate, Europe, Northern America, and Southern America.

Ecology: Biotroph; lichenized; rarely lignicolous or corticolous (very rarely); substrate non-calciferous.

Thallus: Crustose, areolate (primarily areolate), bullate; separate thallus parts thin or very thick (0.2 - 1.2 mm). Thallus Outline: Soon disappearing. Upper Surface: Verruculose, white (like chalk), pale grey, or lemon (citrine), matt or weakly glossy (shiny).

Medulla: Iodine reaction in Lugol's solution negative.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Becoming adnate (sometimes) or soon sessile, strongly constricted at the base, 1-2 mm in diam.. Margin: Lecideine/biatorine, excluded, distinct or indistinct (about 0.1 mm). Disk: Plane, weakly convex, or strongly convex (when old), black, epruinose. Exciple: Carbonized; dark blue or dark green. Parathecium (proper excipulum): Brownish yellow (rarely) or brownish red. Amphithecium (thalline excipulum): Present. Epithecium: Apical cells not swollen, slightly swollen, or distinctly swollen (sometimes), green, turquoise, or olive (rarely, when damaged ?). Hymenium: White. Hypothecium: Brown, brownish yellow, or brownish red (hyphal ropes, stretching into the excipulum).

Ascospores: c. 8 per ascus, broadly ellipsoid or ovoid, 8-16 µm long, 5-9 µm wide; septa absent; wall thick (not halonate), distinctly differentiated into primary and secondary wall (not halonate), not ornamented (not halonate).

Pycnidia: Globular (wall brown, at upper side blackish brown). Conidiophores: Vobis-type III. Conidia: Filiform or strongly curved; 15-30 µm long.

Secondary Metabolites: 4,5-dichloro-3-O-methylnorlichexanthone and rarely arthothelin (2,4,5-trichloronorlichexanthone), atranorin, chloroatranorin, diploicin, and thuringione (= 2,4,5-trichloro-3-O-methylnorlichexanthone).

Spot Tests: Upper surface: K – (negative) (rarely) and + deep yellow, C –, KC –, PD rarely – or + yellow.

(report generated 04.Okt.2007)

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