Phaeophyscia orbicularis (Neck.) 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).
Biogeography: Continent: Europe and Northern America.
Ecology: Corticolous.
Thallus: Foliose, lobed; separate thallus parts 1 mm wide. Thallus Size and Differentiation: 30 cm in diameter; apex not distinctly broader than average; not curved. Thallus Outline: Margin concolorous the thallus centre. Upper Surface: Brown or dark brown, smooth; eciliate; without hairs; not isidate; soralia laminal, capitate, soredia farinose; not lobulate. Lower Surface: Black, firmly attached attached; rhizines moderately abundant, without projections.
Lower Cortex: Paraplectenchymatous, of anticlinal hyphae.
Ascocarps: Moderately abundant, 1.5 mm in diam.. Margin: Smooth.
Ascospores: Physcia-type, (17)-19-23-(27) µm long, (7.5)-9-11-(12) µm wide.
Conidiomata: Strongly abundant.
(report generated 13.Nov.2007)
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