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Lecidea lapicida var. pantherina Ach.

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. Taxonomic rank: species. Lecidea. Synonyms: Lecidea heterodoxa (Müll.Arg.) Stiz., Lecidea lactea Flörke ex Schaer., Lecidea lapicida var. lactea (Schaer.) V.Wirth, Lecidea pantherina (Ach.) Th.Fr., Lecidea theiodes Sommerf.; Lecideaceae Chevall. (1826); Lecanorales.

Type Information: Protologue: Acharius E., Kongl. Svensk. Akad. Handl. 232 (1808); type specimen label data: Helvetia, J. Schleicher 440 (H-Ach, lectotype).

Taxonomic Literature: Fries T.M., Lichenogr. Scand. 491-493 (1874); R.A. Anderson R.A., The Lichen Genus Lecidea in Rocky Mountain National Park, 35-37 (Diss. Univ. Colorado, Boulder; 1964); Hertel H., Beih. Nova Hedwigia 24: 49-51 (1967); Hertel H., Herzogia 3: 378 (1975); Nowak J., Tobolewski Z., Porosty Polskie (Warszawa & Kraków) 548 (1975); Hertel H., Khumbu Himal 6: 253-256 (1977); Inoue M., J. Sci. Hiroshima Univ., Ser. B, Div. 2 (Bot.), 18(1): 35-37 (1982); Hladun N., Inst. d'estudis Catalans, Arx. Secc. Ciènces 80: 94-95 (1985); Türk R., Wittmann H., Sauteria 3: 226 (1987 - distrib. map for Salzburg, Austria); Hertel H., Mitt. Bot. München 28: 223 (1989); Hertel H., Mitt. Bot. München 30: 309 (1991); Kümmerling H., Bibl. Lichenol. 41: 173 (1991); Türk R., Poelt J., Österr. Akad. Wiss., Biosystematics and Ecology Ser. 3: 63 (1993 - bibliography of Austrian lichens); Hertel H., Biblioth. Lichenol. 58: 162 (1995); Wirth V., Flechtenflora, 2.Aufl., 391 (1995); Wirth V., Flechten Baden-Württembergs, Teil 1, 515 [photo!] (1995).

Biogeography: Montane and alpine. Continent: Europe (Au, Br, Co, Cz, Da, Fe, Ga, Ge, Gr, He, Is, It, No, Po, Rs, Sb, Su), Northern America (Greenland, Canada (N.W.T., Quebec, B.C.), Southern America (Argentina), Asia-Temperate (Kavkas, Yakutia, Nepal), Africa (Madeira), and Australasia (N.Z.: 2440 m alt.).

Ecology: Biotroph; lichenized; episubstratic; substrate non-calciferous, calciferous (occasionally on siliceous rocks with traces of carbonate), or metalliferous.

Thallus: Not subdivided parts, areolate (primarily areolate), continuous throughout or dispersed along the periphery, continuous in the centre; lobes angular at the front; separate thallus parts.1-1.5 mm thick. Thallus Size and Differentiation: Large; main branches basally not constricted. Thallus Outline: Margin concolorous the thallus centre. Upper Surface: White, lemon (citrine), brownish yellow (pale; on copper-rich rocks), pale grey, or brown (beige), plane or convex; not sorediate; without thalloconidia thalloconidia.

Medulla: Iodine reaction in Lugol's solution positive.

Ascocarps: Forming on the pro- or hypothallus, not emerging, soon sessile to normally becoming adnate, not constricted to slightly constricted to strongly constricted at the base, 8-140 per cm², .5-1.1-(2.1) mm in diam.. Margin: Not flexuose to slightly flexuose, persistent to excluded, 15-70 µm wide, epruinose. Disk: Plane to weakly convex to strongly convex, black, epruinose, pruina scarce, without an umbo. Exciple: Hyphae radiating outwards; 2.5-3.5 µm wide; grey; not inspersed with crystals to inspersed with crystals. Epithecium: Apical cells olive to green, cell pigment reacting with 10% HCl (in H2O), cell pigment HCl+ blue. Hymenium: 41-90 µm high; white; iodine reaction: Lugol’s positive. Subhymenium: 20-80 µm high; white. Hypothecium: White to brownish yellow to brown.

Ascospores: Broadly ellipsoid to ellipsoid to oblong, (7.5)-8.7-15.2-(18) µm long, (4)-4.6-7.4-(9) µm wide; wall not ornamented.

Conidia: (7)-9.5-18.5-(25) µm long.

Secondary Metabolites: Present, norstictic acid to pannarin.

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

(report generated 04.Okt.2007)

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