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

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 2. Jenmania. Lichinaceae Nyl. (1854); Lichinales.

Lichen Photobionts: Primary photobiont present; cyanobacterial. Primary photobiont taxonomy: Chroococcus and Gloeocapsa (A. Beck 19-05-97); Chroococcaceae and Microcystaceae; Chroococcales, Cyanobacteria, Prokaryota. Secondary photobiont absent.

Thallus: Fruticose, not subdivided parts. Upper Surface: Brown or olive; special structures absent. Lower Surface: Attached by holdfasts; 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, not emerging. Margin: Indistinct; external filaments absent. Exciple: White. Periphyses: Absent. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed. Hypothecium: White.

Ascospores: c. 8 to 16-32 per ascus, ellipsoid, broadly ellipsoid, or globose, 4.5-10 µm long, 3.5-8 µm wide, obtuse; septa absent; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

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

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