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Myxobilimbia Hafellner (2001)

Data Set Maintenance: Data set standard item. Data set author(s): Scholz P. (02-05-18). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 4. Synonyms: Mycobilimbia p. pt. (sabuletorum-group); family of unknown placement (incertae sedis) @EXCL@ Cladoniineae @EXCL@ Acarosporineae (?); Lecanorales.

Type Information: Type: Myxobilimbia lobulata (Sommerf.) Hafellner.

Taxonomic Literature: Coppins B.J. in: Purvis O.W. et al. (eds), The Lichen Flora of Great
Britain and Ireland, 1-710 [114], London (1992) - sub Bacidia; Hafellner J., Herzogia 8: 53-59 (1989) - sub Mycobilimbia; Hafellner J. & Türk R., Stapfia 76: 1-167 [154-155, 165]; Timdal E. & James P.W. in: Purvis O.W. et al. (eds), The Lichen Flora of Great Britain and Ireland, 1-606 [114], London (1992) - sub Toninia.

Biogeography: Checklist records: Austria, Germany, Great Britain, Italy, and Sweden and Norway.

Ecology: Biotroph; lichenized; terricolous, bryophytic, or rarely corticolous; substrate calciferous.

Lichen Photobionts: Primary photobiont present; chlorococcal. Secondary photobiont absent.

Thallus: Crustose, squamulose, granular, or areolate (primarily areolate). Upper Surface: Grey or white; special structures absent. Lower Surface: Attached by the whole lower surface; special structures absent.

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, soon sessile. Wall: Not carbonized. Margin: Indistinct or distinct. Exciple: Reddish brown. Epithecium: Apical cells green (olivaceous to blue-). Interascal Hyphae: Present, scarcely branched or distinctly branched, distinctly anastomosed. Hypothecium: Brown.

Asci: Tholus amyloid, with amyloid tube; dehiscence lecanoralean.

Ascospores: c. 8 per ascus, fusiform, 14-40-(50) µm long, 3-8-(9) µm wide, aciculate; septa rarely absent or present; transversally septate (rarely one cell with a longitudinal septum), (0)-2-7-(9)-transversally septate; wall thin, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed.

Secondary Metabolites: Not detected or present, of the following substance class(es): (tri-)terpenoids.

(report generated 04.Okt.2007)

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