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Phaeophyscia melanchra (Hue) Hale

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 [328-329] (1995).

Biogeography: Continent: Asia-Temperate and Northern America.

Ecology: Corticolous.

Thallus: Foliose, lobed; separate thallus parts 1 mm wide. Thallus Size and Differentiation: 20 cm in diameter; apex not distinctly broader than average; not curved. Thallus Outline: Margin darkened the thallus centre. Upper Surface: Grey, smooth; eciliate; without hairs; not isidate; soralia laminal, capitate, fully excavated, soredia farinose; not lobulate. Lower Surface: White, firmly attached attached; rhizines sparse, without projections.

Lower Cortex: Prosoplectenchymatous, of periclinal hyphae.

Ascocarps: Sparse, 1 mm in diam.. Margin: Smooth.

Ascospores: Physcia-type, 18-23.5 µm long, 7-9 µm wide.

Conidiomata: Sparse.

(report generated 13.Nov.2007)

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