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Follmanniella Peine & B. Werner (1995)

Data Set Maintenance: Data set standard item; not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Follmanniella. Roccellaceae Chevall. (1826); Arthoniales.

Type Information: Type: Follmanniella scutellata Peine & B. Werner.

Taxonomic Literature: Peine J. & Werner B., in: Daniels F.J.A., Schulz M. & Peine J. (eds): Flechten Follmann: 287-299, Cologne (1995).

Ecology: Biotroph; lichenized; substrate non-calciferous.

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

Thallus: Crustose, areolate (primarily areolate). Thallus Outline: Soon disappearing or persistent. Upper Surface: Grey or brownish yellow; special structures absent. Lower Surface: Attached by the whole lower surface; special structures absent or present:; 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 all across the thallus surface or directly at the thallus margin, soon sessile to stipitate. Margin: Indistinct to distinct. Exciple: Black or brown. Epithecium: Apical cells black or brown. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed. Hypothecium: Black or brown.

Asci: Tholus thickened, not amyloid; dehiscence bitunicate.

Ascospores: c. 8 per ascus, fusiform, 40-60 µm long, 12-18 µm wide; septa present; transversally septate, 3-transversally septate; wall not thickened at the septum, hyaline, in Lugol's Solution negative.

Conidiomata: Absent resp. not observed or present; pycnidial; immersed, formed all accross the thallus surface.

Conidia: Filiform.

Secondary Metabolites: Present, of the following substance class(es): orcinol depsides and ß-orcinol depsidones.

(report generated 04.Okt.2007)


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