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Polycoccum vermicularium (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 [172] (1985); Hawksworth D.L. & Diederich P., Trans. Brit. Mycol. Soc. 90: 293-312 [306] (1988).

Biogeography: Subantarctic. Continent: Southern America. Region(s): Subantarctic Islands. Country or state(s): Falkland Isles (Islas Malvinas; overseas territory of the UK; also claimed by Argentina).

Ecology: Biotroph; lichenicolous. Host or Phorophyte Taxonomy: Thamnolia vermicularis.

Thallus: Indistinct.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Perithecioid, forming inside the thallus or mycelium of the host, not emerging (except at the ostiole), (60)-75-95-(100) µm wide. Interascal Hyphae: Present (poorly developed); cells 1.5-2.5 µm wide.

Asci: Broadly clavate (elongate) or clavate.

Ascospores: Not uniseriate (biseriate), c. 8 per ascus, spores 8 per ascus, ellipsoid, 14-18 µm long, 7-9 µm wide; septa present; transversally septate, 1-transversally septate; lumina more or less of equal size; wall middle brown, ornamented (weakly verruculose).

(report generated 04.Okt.2007)

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