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Data Set Maintenance: Data set compiled. Data set author(s): Cáceres M. (01-09-10). 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: Arnold F., Flora 57: 173-175 (1874); Hawksworth D.L. &
Diederich P., Trans. Brit. Mycol. Soc. 90: 293-312 [283] (1988);.

Biogeography: Northern hemispheric. Continent: Australasia and Europe. Region(s): Northern Europe, Middle Europe, North-eastern Tropical Africa, and New Zealand. Country or state(s): United Kingdom, Sweden, France (excl. Corsica), and Spain (incl. Andorra & Monaco); Canary Islands (Spain); North Island of New Zealand.

Ecology: Biotroph; lichenicolous. Host or Phorophyte Taxonomy: Pertusaria multipuncta; Placopsis gelida, P. perrugosaria.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Perithecioid, forming inside the thallus or mycelium of the host, 75-100 µm wide. Periphyses: Absent. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed; cells 1.5-2.5 µm wide.

Ascospores: Not uniseriate (biseriate), c. 8 per ascus, spores 8 per ascus, ellipsoid, (18)-19-26 µm long, (5.5)-6-7-(8) µm wide, obtuse; septa present; transversally septate, 1-transversally septate; lumina more or less of equal size; wall thin (more or less smooth-walled), laterally constricted where the septum meets the spore wall, becoming pigmented, olive (olivaceous) or dark brown, not ornamented (more or less smooth-walled).

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