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Servitia M. S. Christ. & Alstrup (2001)

Data Set Maintenance: Data set standard item. Data set author(s): Scholz P. Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: genus. Number of known taxa within this rank: 1. Synonyms: Dermatocarpon p. pt.; Verrucariales.

Type Information: Type: Servitia inconspicuum (Lynge) M. S. Christ. & Alstrup.

Taxonomic Literature: Alstrup V. & Hansen E., Graphis Scripta 12: 41-50 [41-42] (2001); Lynge B, Skr. Svalbard Ishavet 81: 1-143 [17-18] (1940).

Ecology: Saprobic; lichenized; substrate calciferous.

Lichen Photobionts: Primary photobiont present; chlorococcal. Primary photobiont taxonomy: Chlorococcales, Chlorophyceae, Eukariota. Secondary photobiont absent.

Thallus: Crustose, areolate (primarily areolate), peltate. Thallus Outline: Persistent. Upper Surface: Black or dark brown; special structures absent; not pseudocyphellate; eciliate; without hairs; not isidate; not sorediate; not cephalodiate; not lobulate; without granules granules, without thalloconidia thalloconidia. Lower Surface: Attached by the whole lower surface; special structures absent; not pseudocyphellate; not cyphellate; not rhizinate; without thalloconidia thalloconidia; not cavernulate; not tomentose.

Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Perithecioid, orbicular, forming all across the thallus surface, becoming adnate. Wall: Not carbonized. Margin: Indistinct; external filaments absent. Periphyses: Present. Interascal Hyphae: Absent.

Ascospores: c. 8 per ascus, ellipsoid, obtuse; septa absent; wall thin, not thickened at the septum, not constricted where the septum meets the spore wall, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)

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