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Baculifera Marbach & Kalb (2000)

Data Set Maintenance: Data set standard item. Data set author(s): Marbach B. (00-05-10). 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: 14-20. Baculifera. Synonyms: Buellia; genus of unknown placement (incertae sedis) (Physciaceae); Acarosporineae (Lecanorinae); Lecanorales.

Type Information: Type: Baculifera orosa Marbach & Kalb.

Taxonomic Literature: Taxonomic notes: Characteristics: thullus often with atranorin and norstictic acid,
margin usually black; hymenium not inspers; conidia (4) 7-11(14)
µm long; Ascosporens brown, with 1 or 2 septures, walls of
ascospores not thickened or apically weakly thickened or septally
weak to strong thickened.
Marbach, B. 2000: Corticole/lignicole Arten der Flechtengattung
Buellia.- Bibl. Lichenol. 74: 1-384.

Biogeography: Checklist records: Republic of South Africa.

Ecology: Biotroph; lichenized; lignicolous or corticolous.

Lichen Photobionts: Primary photobiont present; chlorococcal.

Thallus: Crustose, not subdivided parts, rimose. Thallus Outline: Soon disappearing (often with black margin). Upper Surface: Grey (margin usually black), white, or grey-yellow; special structures absent; not pseudocyphellate; eciliate; without hairs; not isidate; not sorediate; not cephalodiate; not lobulate; without granules granules, without thalloconidia thalloconidia. Lower Surface: Not attached, thallus vagrant; 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: Apothecioid, orbicular, becoming adnate to soon sessile. Margin: Distinct to prominent; external filaments absent. Exciple: Black or brown (usually with norstictic acid). Periphyses: Absent. Epithecium: Apical cells grey (if with pruina), brown, or olive. Hymenium: Iodine reaction: Lugol’s positive. Interascal Hyphae: Present, scarcely branched, not or scarcely anastomosed. Hypothecium: Black or brown (usually with norstictic acid).

Asci: Tholus not thickened, amyloid, with non-amyloid narrow axial body and amyloid convergent flanks towards apex; ocular chamber broad; dehiscence lecanoralean.

Ascospores: c. 8 per ascus, ellipsoid, 12-18-28-(35) µm long, 5-8 µm wide, obtuse; septa present; transversally septate, 1-2-transversally septate, formed by the proper spore wall; wall thin or thick, distinctly differentiated into primary and secondary wall, not thickened at the septum, not constricted where the septum meets the spore wall, dark brown or middle brown, not ornamented or ornamented.

Conidiomata: Present or absent resp. not observed; pycnidial; immersed to adnate.

Conidiogeneous Cells: Apical. Conidia: Bacilliform ((4) 8-11(14) µm long); microconidial, not branched; aseptate; cell wall hyaline.

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

(report generated 04.Okt.2007)

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