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Lecidea sauteri Körb.

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: Körber G.W., Systema Lichenum Germaniae 252 (1855); type specimen label data: Austria, Tyrolia, Kitzbühler Alpen, summit of Mt. Kleiner Rettenstein, 47 20'N, 12 20'E, 2200 m, A.E.Sauter (B, neotype).

Taxonomic Literature: Taxonomic notes: Very closely related to L. auriculata. There is a large, and uniformly structured population of L. sauteri on Mt. Kleiner Rettenstein; see Hertel, Lecideaceae Exs. no. 288. Hertel H., Biblioth. Lichenol. 58: 170(1995).

Biogeography: Alpine. Continent: Europe (Au).

Ecology: Biotroph; lichenized; episubstratic; substrate non-calciferous.

Thallus: Areolate (primarily areolate), continuous throughout; lobes angular or rounded at the front; separate thallus parts.5-1 mm thick. Thallus Size and Differentiation: Large; main branches basally not constricted. Thallus Outline: Margin concolorous the thallus centre. Upper Surface: Lemon (citrine), convoluted, convex; not sorediate; without thalloconidia thalloconidia.

Medulla: Iodine reaction in Lugol's solution positive.

Ascocarps: Soon sessile, strongly constricted at the base, 8-50 per cm², 1.5-1.9-(3) mm in diam.. Margin: Slightly flexuose or strongly flexuose, persistent, 60-150 µm wide, epruinose. Disk: Plane to strongly convex, black, epruinose, without an umbo. Exciple: Hyphae intricately interwoven, with no predominant orientation; 2.5-3.5 µm wide; pink (rosé); inspersed with crystals. Epithecium: Apical cells turquoise, cell pigment HCl+ blue. Hymenium: 40-50 µm high; white to pale green; iodine reaction: Lugol’s positive. Subhymenium: 5-15 µm high; white. Hypothecium: Brownish yellow to brown.

Ascospores: Oblong to cylindrical, (6)-7.2-9-(12) µm long, (2.8)-3.4-3.8-(4.5) µm wide; wall not ornamented.

Conidia: (8.5)-9.5-11.5-(15.5) µm long.

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

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

(report generated 04.Okt.2007)

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