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Phaeophyscia denigrata (Hue) Moberg

Data Set Maintenance: Data set standard item. Data set author(s): Moberg R. (95-01-25). Data set to be published after submission; 95-01-25.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Phaeophyscia. Physciaceae Zahlbr. (1898).

Taxonomic Literature: Moberg R., J. Hattori Bot. Lab. 76: 173-181 (1994); Moberg R., Nord. J. Bot. 15: 319-335 [322-323] (1995).

Biogeography: Continent: Asia-Temperate and Northern America.

Ecology: Corticolous.

Thallus: Foliose, lobed; separate thallus parts 1.5 mm wide. Thallus Size and Differentiation: 40 cm in diameter; apex not distinctly broader than average; not curved. Thallus Outline: Margin brighter than disk the thallus centre. Upper Surface: Grey or brown, smooth; eciliate; without hairs; not isidate; not lobulate. Lower Surface: White, firmly attached attached; rhizines sparse, without projections.

Lower Cortex: Prosoplectenchymatous, of periclinal hyphae.

Ascocarps: Abundant, 4 mm in diam.. Margin: Smooth.

Ascospores: Physcia-type or Pachysporaria-type, (16)-19-23-(26) µm long, (6.5)-8-11-(13) µm wide.

Conidiomata: Strongly abundant.

(report generated 13.Nov.2007)

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