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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. Lecideaceae Chevall. (1826); Lecanorales.

Type Information: Protologue: Hertel, Symb. Bot. Upsal.; type specimen label data: Chile, Patagonia, Isla l'Heremite ("Cape Horn"), J.D. Hooker (BM ex K).

Thallus: Areolate (primarily areolate), continuous throughout; lobes angular or rounded at the front; separate thallus parts.3-.8 mm thick. Thallus Size and Differentiation: Large; main branches basally not constricted. Thallus Outline: Margin concolorous the thallus centre. Upper Surface: Brownish yellow or brown (beige to pale brown), plane or convex; not sorediate; without thalloconidia thalloconidia.

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

Ascocarps: Soon sessile, slightly constricted at the base, 50-120 per cm², .8-1.2-(2) mm in diam.. Margin: Not flexuose or slightly flexuose, excluded, 30-60 µm wide, epruinose. Disk: Plane to strongly convex, black, epruinose, without an umbo. Exciple: Hyphae radiating outwards; 3-4 µm wide; grey; inspersed with crystals. Epithecium: Apical cells olive, cell pigment reacting with 10% HCl (in H2O). Hymenium: 35-55 µm high; white; iodine reaction: Lugol’s positive. Subhymenium: 15-25 µm high; white. Hypothecium: Brown or dark brown.

Ascospores: Oblong, (8)-10.5-12-(14) µm long, (3)-3.4-3.8-(4.8) µm wide; wall not ornamented.

Secondary Metabolites: Present, confluentic acid and 2'-O-methylperlatolic acid.

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

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