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Data Set Maintenance: Data set compiled. Data set author(s): Cáceres M. (01-08-27). Data set reviewer(s): Triebel D.; revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Polycoccum. Dacampiaceae Körb. (1855); Dothideales.

Taxonomic Literature: Hawksworth D.L., James P.D. & Coppins B., Lichenologist 12: 67
(1980); Hawksworth D.L. & Diederich P., Trans. Brit. Mycol. Soc.
90: 293-312 [300] (1988).

Biogeography: Northern hemispheric. Continent: Europe. Region(s): Middle Europe and East Europe. Country or state(s): United Kingdom and Poland.

Ecology: Biotroph; lichenicolous; growing on calciferous rock. Host or Phorophyte Taxonomy: Verrucaria baldensis and probably other pyrenocarpous lichens.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Perithecioid, subglobose, forming inside the thallus or mycelium of the host, becoming adnate (more or less half of it exposed at maturity), 50-100 µm wide. Periphyses: Absent. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed; cells 1.5-2 µm wide.

Ascospores: More or less uniseriate (or overlapping), 1–2 per ascus, spores 2 per ascus, ellipsoid, 25-35-(44) µm long, 8-10-(14) µm wide; septa present; transversally septate, 1-transversally septate; lumina more or less of equal size; wall becoming pigmented, middle brown, ornamented (verruculose).

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