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Bacidina streimannii Vezda

Data Set Maintenance: Data set compiled and standard item. Data set author(s): Kainz C. (02-09-05). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Bacidina. Lecanoraceae Körb. (1855); Lecanorales.

Taxonomic Literature: Vĕzda A., Nova Hedwigia 58(1-2): 123-143 (1994).

Biogeography: Continent: Australasia (Papua New Guinea).

Ecology: Biotroph (foliicolous); lichenized (foliicolous).

Thallus: Crustose, not subdivided parts; separate thallus parts thick (fairly). Thallus Size and Differentiation: Up to 3 cm long. Thallus Outline: Irregular. Upper Surface: Special structures present: (goniocysts and locally shrubby structures consisting of 0.15-0.2 mm long hyphae).

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Apothecioid, forming independently from the host thallus or mycelium, strongly constricted at the base, .7-1 mm in diam.. Margin: Distinct. Disk: Plane, red (orange-). Parathecium (proper excipulum): Nearly white. Epithecium: Apical cells distinctly swollen. Hymenium: 50 µm high; white. Interascal Hyphae: Distinctly branched (apically often dichotomously). Hypothecium: Pale brown.

Asci: Dehiscence lecanoralean.

Ascospores: c. 8 (often not mature) per ascus, oval (spindle-shaped), 12-16 µm long, 2 µm wide; septa present or absent (1 septum).

(report generated 04.Okt.2007)

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