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Lecidea bella Hertel

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

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

Type Information: Protologue: Hertel H., Khumbu Himal 6: 234-236 (1977); type specimen label data: Nepal, Mahalangur Himal, Khumbu, Moränen des Khumbu-Gletschers bei Lobuche, 4950-5000 m, 22 September 1962, J. Poelt L1185 (M, holotype).

Taxonomic Literature: Hertel H., Khumbu Himal 6: 234-235 (1977); Andreev M.P., Baibultova N.E., Novit. Syst. Plant. Non Vasc. 22: 168 (1985); Andreev M.P., Kudratov I., Botan. Zhurn. 77: 104 (1992).

Biogeography: Alpine. Continent: Asia-Temperate (Nepal) @EXCL@ Australasia.

Ecology: Biotroph; lichenized; episubstratic; substrate non-calciferous (verbackener Gneiss-Grus).

Thallus: Areolate (primarily areolate) (to squamulose), continuous throughout @EXCL@ dispersed along the periphery, continuous in the centre; lobes rounded at the front; separate thallus parts.4-1.2 mm thick. Thallus Size and Differentiation: Large; main branches basally not constricted @EXCL@ basally constricted. Thallus Outline: Margin concolorous the thallus centre. Upper Surface: Brown (pale yellowish), convex (pyramidiform verrucose); not sorediate; without thalloconidia thalloconidia.

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

Ascocarps: Soon sessile, slightly constricted @EXCL@ strongly constricted at the base, 10-30 per cm², .8-1.5-(2) mm in diam.. Margin: Not flexuose, persistent @EXCL@ excluded, indistinct, 70-150 µm wide, epruinose. Disk: Plane @EXCL@ weakly convex @EXCL@ strongly convex, black, epruinose, pruina scarce @EXCL@ abundant, without an umbo. Exciple: Grey (TEST); inspersed with crystals? Epithecium: Apical cells green or turquoise. Hymenium: 50-65 µm high; white; iodine reaction: Lugol’s positive. Subhymenium: 0-15 µm high; white. Hypothecium: Brown.

Ascospores: Ellipsoid, (7)-8-10-(13) µm long, (3.5)-4.1-4.5-(5.5) µm wide; wall not ornamented.

Secondary Metabolites: Present.

Spot Tests: Medulla: K –, C –, PD – ascocarp margin (in section): K –, C – disk: C – hypothecium: K + purplish brown (chinoide reaction); epihymenium: K –.

(report generated 04.Okt.2007)

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