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Polycoccum umbilicariae (Linds.) D. Hawksw.

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: Hawksworth D.L., Bull. Brit. Mus. (Nat. Hist.), Bot.14(2): 43-181 [171] (1985); Hawksworth D.L. & Diederich P., Trans. Brit. Mycol. Soc. 90: 293-312 [306] (1988).

Biogeography: Continent: Europe. Region(s): Northern Europe. Country or state(s): Norway.

Ecology: Biotroph; lichenicolous. Host or Phorophyte Taxonomy: Lasallia pustulata.

Thallus: Indistinct.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Perithecioid, forming inside the thallus or mycelium of the host (in gall-like swellings), not emerging, 100-150 µm wide.

Asci: Clavate (elongate).

Ascospores: Not uniseriate (irregularly biseriate), c. 8 per ascus, spores 8 per ascus, ellipsoid, 13.5-15 µm long, (6)-6.5-7.5 µm wide, obtuse (broadly rounded); septa present (occasionally non-septate); 0-1-transversally septate; lumina more or less of equal size; wall thin, dark brown, not ornamented.

(report generated 04.Okt.2007)

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