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Miriquidica leucophaea (Flörke ex Rabenh.) Hertel & Rambold

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. (96-02-07). Data set reviewer(s): Kainz C. (00-09-05); to be published after submission; 96-02-07.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Miriquidica. Lecanoraceae Körb. (1855).

Taxonomic Literature: Coppins B.J. & Purvis O.W. in: Purvis O.W., Coppins B.J., Hawksworth D.L., James P.W. & Moore D.M. (eds.) 1992. The lichen flora of Great Britain and Ireland: 1-710 [385-387].

Biogeography: Continent: Australasia, Europe, and Northern America.

Ecology: Biotroph; lichenized; lignicolous (rarely); substrate non-calciferous. Host or Phorophyte Taxonomy: Rhizocarpaceae.

Thallus: Crustose, areolate (primarily areolate). Thallus Outline: Simple. Upper Surface: Grey, grey-brown, pale grey, or brownish yellow, glossy (shiny); not sorediate. Lower Surface: Not rhizinate.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Not emerging (at first), becoming adnate to soon sessile, not constricted or slightly constricted at the base, .3-1.2 mm in diam.. Margin: Persistent (often), prominent or indistinct. Disk: Plane to weakly convex, black or brown. Exciple: Grey, green, white, or brownish yellow. Epithecium: Apical cells brown (rarely) or olive. Hypothecium: White.

Ascospores: 8-15 µm long, 4-7 µm wide.

Secondary Metabolites: Miriquidic acid.

(report generated 04.Okt.2007)

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