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Polycoccum sporastatiae (Anzi) Arnold

Data Set Maintenance: Data set compiled. Data set author(s): Cáceres M. (01-09-05). 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: 137-144 (1874); Hawksworth D.L. &

Diederich P., Trans. Brit. Mycol. Soc. 90: 293-312 [304-305] (1988).

Biogeography: Northern hemispheric. Continent: Europe. Region(s): Middle Europe and South-western Europe. Country or state(s): Austria, Switzerland (incl. Liechtenstein), and France (excl. Corsica).

Ecology: Biotroph; lichenicolous. Host or Phorophyte Taxonomy: Sporastatia polyspora, S. testudinea.

Thallus: Indistinct.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Perithecioid, forming inside the thallus or mycelium of the host (in convex gall-like swellings on areoles of the host), 150-200 µm wide, 200-250 µm high. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed; cells 2 µm wide.

Asci: Clavate (elongate), 55-80 µm long, 17-20 µm wide; dehiscence bitunicate.

Ascospores: Not uniseriate (biseriate), rarely c. 4 to c. 8 per ascus, spores 4-8 per ascus, broadly ellipsoid, 16-23-(25) µm long, 6-9.5-(12) µm wide; septa present; transversally septate, 1-transversally septate; lumina slightly apically enlarged, constricted at the centre; wall middle brown (olivaceous).

(report generated 04.Okt.2007)

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