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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., ad int.; type specimen label data: U.S.A., Washington, Chelan Co., S of Chelan, along the Columbia River, 18 July 1969, C.M. Wetmore 18861 (MIN).

Biogeography: Colline @EXCL@ montane. Continent: Northern America (USA: Cal, Was).

Thallus: Areolate (primarily areolate), subsquamulose, continuous throughout @EXCL@ dispersed along the periphery, continuous in the centre; lobes angular @EXCL@ rounded at the front; separate thallus parts.4-1.5 mm thick. Thallus Size and Differentiation: Small; main branches basally not constricted to basally constricted. Upper Surface: Brownish yellow to brown, convoluted, convex; not sorediate; without thalloconidia thalloconidia.

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

Ascocarps: Soon sessile, slightly constricted to strongly constricted at the base, 3-80 per cm², .8-1.4-(1.8) mm in diam.. Margin: Not flexuose to slightly flexuose to strongly flexuose, persistent to excluded, 50-80 µm wide, epruinose. Disk: Plane to weakly convex to strongly convex, black, epruinose, pruina scarce, without an umbo. Exciple: Hyphae radiating outwards; 3.5-5 µm wide; grey; inspersed with crystals. Epithecium: Apical cells olive, cell pigment reacting with 10% HCl (in H2O). Hymenium: 60-80 µm high; white; iodine reaction: Lugol’s positive. Subhymenium: 30-65 µm high; white. Hypothecium: Brownish yellow.

Ascospores: Ellipsoid to oblong, (11)-13.5-15.3-(21) µm long, (4.5)-5.5-6.7-(9) µm wide; wall not ornamented.

Secondary Metabolites: Present, schizopeltic acid to gyrophoric acid to lecanoric acid.

Spot Tests: Medulla: K –, C – to + red, PD – ascocarp margin (in section): K –, C – to + red; disk: C – hypothecium: K – epihymenium: K –.

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