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Psorinia conglomerata (Ach.) Gotth. Schneid.

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (03-01-22). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Psorinia. Synonyms: Psora conglomerata (Ach.) Koerb., Toninia conglomerata (Ach.) Boist., Lecidea rugifera Vain., Psora rugifera (Vain.) Dombrovskaya, Lecidea silenii Vain.; Lecanoraceae Körb. (1855); Lecanorineae; Lecanorales.

Type Information: Basionym: Lecidea conglomerata Ach. (1810).

Taxonomic Literature: Schneider G., Biblioth. Lichenol. 13: 1-291 (1979).

Biogeography: Continent: Europe.

Ecology: Biotroph; lichenized; terricolous; episubstratic.

Thallus: Crustose, squamulose; separate thallus parts thick. Thallus Size and Differentiation: Up to 3.5 cm long. Upper Surface: Grey (dirty), yellow, or brown, glossy (shiny); special structures absent; wrinkled.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, 1-1.5 mm in diam.. Disk: Black. Exciple: Light brown. Epithecium: Apical cells distinctly swollen (up to 4-5 µm), olive (olive). Hypothecium: White.

Asci: 55-65 µm long, 10-12 µm wide; dehiscence lecanoralean.

Ascospores: c. 8 per ascus, ellipsoid, 12-16 µm long, 4-5.5 µm wide; septa absent or present (one septum).

Spot Tests: Upper surface: K – (negative), C –, KC –, PD –.

(report generated 04.Okt.2007)

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