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Lecidella meiococca (Nyl.) Leuckert & Hertel

Data Set Maintenance: Data set standard item. Data set author(s): Kainz C. (03-06-04). Data set reviewer(s): Knoph J.-G.; revised @EXCL@ not revised (03-10-08); to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Lecidella. Synonyms: Lecidea protrusa Fr. f. meiococca (Nyl.) A.L. Sm., Lecidea scabra Taylor f. meiococca (Nyl.) Grummann; Lecanoraceae Körb. (1855); Lecanorales.

Type Information: Basionym: Lecidea meiococca Nyl., Flora 59: 578 (1876).

Taxonomic Literature: Knoph J.-G. et al., Biblioth. Lichenol. 57: 307-326 (1995); Knoph J.-
G. & Leuckert C., Nova Hedwigia 59, 3-4: 455-508 (1994).

Biogeography: Continent: Europe and Northern America.

Ecology: Biotroph; lichenized; lignicolous (rarely); episubstratic (sorediate); substrate usually non-calciferous.

Thallus: Crustose, areolate (primarily areolate) (usually); separate thallus parts thick (usually thicker than 0.5 mm).

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, forming independently from the host thallus or mycelium, .9-1.2-1.6 mm in diam.. Margin: Up to 50 µm wide. Epithecium: Apical cells dark green or olive (or olive-brown). Hymenium: 60-80 µm high.

Ascospores: c. 8 per ascus, broadly ellipsoid or ellipsoid, 10-17 µm long, 6-10-(11) µm wide; septa absent; wall thick (not halonate), distinctly differentiated into primary and secondary wall (not halonate), not ornamented (not halonate).

Secondary Metabolites: Present, 2,5,7-trichloro-3-O-methylnorlichexanthone, atranorin, isoarthothelin (= 2,5,7-trichloronorlichexanthone), or thiophanic acid (= 2,4,5,7-tetrachloronorlichexanthone).

(report generated 04.Okt.2007)

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