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Polycoccum versisporum (Bagl. & Carestia) 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 [173] (1985); Hawksworth D.L. & Diederich P., Trans. Brit. Mycol. Soc. 90: 293-312 [306-307] (1988).

Biogeography: Continent: Europe. Region(s): South-eastern Europe. Country or state(s): Italy (incl. San Marino & The Vatican City, excl. Sicily, Sardinia).

Ecology: Biotroph; lichenicolous. Host or Phorophyte Taxonomy: On an undeterminable whitish saxicolous lichen.

Thallus: Indistinct.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Perithecioid, forming inside the thallus or mycelium of the host, becoming adnate. Hymenium: Iodine reaction: Lugol’s negative.

Asci: Clavate (elongate); dehiscence bitunicate.

Ascospores: c. 4 per ascus, spores 4 per ascus, ellipsoid, 28-32 µm long, 11-12 µm wide; septa present; 1-transversally septate; lumina of equal size or slightly apically enlarged, constricted at the centre; wall thick (coarsely verrucose), distinctly differentiated into primary and secondary wall (coarsely verrucose), becoming pigmented, dark brown, not ornamented (coarsely verrucose) or ornamented.

(report generated 04.Okt.2007)

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