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Schizopelte Th. Fr. (1875)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set reviewer(s): Tehler A. (95-11-27) and Scholz P. (02-05-16); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 1. Schizopelte. Synonyms: Combea (californica); Roccellaceae Chevall. (1826); Arthoniales.

Type Information: Type: Schizopelte californica Th. Fr.

Taxonomic Literature: Follmann G. & Geyer G., Z. Naturforsch. Sect. C Biosci. 41: 1117-
1118 (1986); Tehler A., Can. J. Bot. 68: 2458-2492 (1990); Tehler A. in: Nash T.H. III et al. (eds) Lichen Flora of the Greater Sonoran Desert Region vol. 1, 457-458, Tempe (2002).

Biogeography: Checklist records: Sonoran Desert and United States and Canada (continental).

Ecology: Biotroph; lichenized; substrate non-calciferous.

Lichen Photobionts: Primary photobiont present; trentepohlioid. Primary photobiont taxonomy: Trentepohlia; Trentepohliaceae; Trentepohliales, Ulvophyceae, Eukariota. Secondary photobiont absent.

Thallus: Crustose or fruticose, not subdivided parts, subfruticose. Thallus Outline: Soon disappearing or persistent. Upper Surface: Grey, white, or brownish yellow; special structures absent. Lower Surface: Attached by holdfasts; special structures absent; not pseudocyphellate; not cyphellate; not rhizinate; without thalloconidia thalloconidia; not cavernulate; not tomentose.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Apothecioid, orbicular, forming directly at the tip of the thallus parts, soon sessile to stipitate. Margin: Prominent. Exciple: White. Epithecium: Apical cells brown. Interascal Hyphae: Present, scarcely branched to distinctly branched, not or scarcely anastomosed. Hypothecium: Black or brown.

Ascospores: c. 8 per ascus, curved (slightly or straight) or slightly fusiform, 19-23 µm long, 3-5 µm wide; septa present; transversally septate, 3-7-transversally septate; wall not thickened at the septum, dark brown, in Lugol's Solution negative, wall ornamented.

Conidiomata: Absent resp. not observed or present (often in ascomata-like aggregated groups (synpycnidia)); pycnidial; immersed.

Conidia: Filiform or curved (in a semicircle).

Secondary Metabolites: Present, of the following substance class(es): orcinol depsides or dibenzofurans [and usnic acids].

(report generated 04.Okt.2007)

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