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Polycoccum epizoharyi Calat.

Data Set Maintenance: Data set authentic, compiled, and standard item. Data set author(s): Calatayud V. (01-02-11). 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: Calatayud, V. & Atienza, V., Nova Hedwigia 70(1-2): 265-271 (2000).

Biogeography: Mediterranean, colline. Continent: Europe. Region(s): South-western Europe. Country or state(s): Spain (incl. Andorra & Monaco). Checklist records: Iberic Peninsula.

Ecology: Biotroph; lichenicolous; growing on inorganic soil. Host or Phorophyte Taxonomy: Buellia zoharyi.

Thallus: Indistinct.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Perithecioid, globose, forming inside the thallus or mycelium of the host, not emerging, becoming adnate, abundant, small, (.1)-(.23) mm in diam., with a black surface. Wall: Complete. Margin: Black, inhomogenously pigmented, (15)-(20) µm wide. Exciple: Paraplectenchymatous; not carbonized; brown. Periphyses: Absent. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed; cells (2)-(2.5) µm wide. Hypothecium: Brown.

Asci: Clavate or cylindrical, (60)-(95) µm long, (12)-(15) µm wide; tholus widening towards apex; dehiscence bitunicate.

Ascospores: Uniseriate, c. 4 per ascus, spores (4)-(4) per ascus, ellipsoid or oblong-obtuse, (14)-15-17-(18) µm long, (7)-8-9-(10) µm wide, obtuse; septa present; transversally septate, (1)-(1)-transversally septate, (0)-(0) longitudinal septa per transversal septum; lumina of equal size; wall becoming pigmented, dark brown or middle brown, ornamented.

Conidiomata: Present.

Conidia: Cylindrical; (4)-(5) µm long, 1 µm wide.

(report generated 04.Okt.2007)

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