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Miriquidica nigroleprosa (Vain.) Hertel & Rambold

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. (96-02-07). Data set reviewer(s): Kainz C. (00-11-16); 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: Europe.

Ecology: Biotroph; lichenized; substrate non-calciferous. Host or Phorophyte Taxonomy: Rhizocarpaceae.

Thallus: Crustose, areolate (primarily areolate). Thallus Outline: Simple or lobed; soon disappearing or persistent. Upper Surface: Dark grey, matt; sorediate; soralia.1-.2 mm in diam., white (when abrading) or dark grey-blue. Lower Surface: Not rhizinate.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Becoming adnate or soon sessile. Margin: Distinct or prominent. Exciple: Grey, white, or brownish yellow. Epithecium: Apical cells green or olive. Hypothecium: White.

Ascospores: 10.5-13.5 µm long, 4-5.5 µm wide.

Secondary Metabolites: Miriquidic acid or psoromic acid (more or less).

(report generated 04.Okt.2007)

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