Botanische Staatssammlung München © 1995–2008
Data remain intellectual property of the data set authors.

Polycoccum bryonthae (Arnold) Vezda

Data Set Maintenance: Data set compiled. Data set author(s): Cáceres M. (01.08.17). 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. & Diederich P., Trans. Brit. Mycol. Soc. 90: 293-
312 [297] (1988); Vezda A. Ceska Mykol. 23:104-109 (1969).

Biogeography: Northern hemispheric, montane. Continent: Europe. Region(s): Middle Europe and South-eastern Europe. Country or state(s): Austria, former Czechoslovakia (incl. Czech Republic & Slovacia), and Italy (incl. San Marino & The Vatican City, excl. Sicily, Sardinia).

Ecology: Biotroph; lichenicolous. Host or Phorophyte Taxonomy: Caloplaca stillicidiorum; Pertusaria bryontha.

Thallus: Indistinct.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Perithecioid, within the ascocarp margin of the host or within the ascocarp disks of the host, 70-100 µm wide. Wall: Complete. Margin: External filaments absent. Exciple: Paraplectenchymatous. Periphyses: Absent. Interascal Hyphae: Distinctly branched, distinctly anastomosed; cells 1.5-2.5 µm wide.

Asci: Cylindrical, (60)-70-80 µm long, 10-12 µm wide; dehiscence bitunicate.

Ascospores: More or less uniseriate, c. 8 per ascus, spores 8 per ascus, ellipsoid, (10)-11-13-(15) µm long, (4)-4.5-6 µm wide, obtuse; septa present; transversally septate, 1-(2)-transversally septate; lumina slightly apically enlarged, constricted at the centre; wall laterally constricted where the septum meets the spore wall, becoming pigmented, middle brown (olivaceous brown), ornamented (slightly verruculose).

Conidiomata: Absent resp. not observed.

(report generated 04.Okt.2007)

In case that additional characters and states are required to be included in this data set, consult the LIAS Instructions to Participants and follow the procedures described there.