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Data Set Maintenance: Data set standard item. Data set author(s): Hertel H. (99-01-01). Data set not revised.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: species. Lecidea. Synonyms:-; Lecideaceae Chevall. (1826); Lecanorales.

Type Information: Protologue: Hertel H., ined.; type specimen label data: Marion I., Hertel 24103.

Biogeography: Alpine. Continent: Asia-Temperate and Antarctica (Prince Edward Isl.).

Ecology: Biotroph; lichenized; episubstratic; substrate non-calciferous (basalt).

Thallus: Areolate (primarily areolate), continuous throughout; lobes angular at the front; separate thallus parts.15-.3 mm thick. Thallus Size and Differentiation: Large; main branches basally not constricted. Thallus Outline: Margin concolorous the thallus centre. Upper Surface: Brown (yellow-brown), plane (marginal ones tiny effigurated); not sorediate; without thalloconidia thalloconidia.

Upper Cortex: Epicortex present. Medulla: Iodine reaction in Lugol's solution positive.

Ascocarps: Forming on the pro- or hypothallus, not emerging, becoming adnate, not constricted at the base, .5-.6-(.8) mm in diam.. Margin: Not flexuose, very small excluded, 35-65 µm wide, epruinose. Disk: Plane, black, epruinose, without an umbo. Exciple: Brown (interior part reduced, cortex very thick); not inspersed with crystals. Epithecium: Apical cells green. Hymenium: 35-45 µm high; white; iodine reaction: Lugol’s positive. Subhymenium: 15-25 µm high; white. Hypothecium: Brownish yellow.

Ascospores: Ellipsoid or oblong, (6)-7.5-7.9-(11) µm long, (4)-4.4-4.7-(5.5) µm wide; wall not ornamented.

Spot Tests: Medulla: K –, C –, PD – ascocarp margin (in section): K –, C – disk: C – hypothecium: K –.

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