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Data Set Maintenance: Data set standard item. Data set author(s): Triebel D. Data set reviewer(s): Triebel D. (98-01-01; 01-08-15; 02-07-05); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: genus. Number of known taxa within this rank: 9. Sagediopsis. Adelococcaceae Triebel (1993); Verrucariales.

Type Information: Type: Leptorhaphis koerberi Stein (= Sagediopsis aquatica (Stein) Triebel).

Taxonomic Literature: Alstrup V. & Hawksworth D.L., Meddel. Grønland, Biosci. 31: 1-90 [63-64] (1990); Hafellner J., Herzogia 9: 757-760 (1993); Hoffmann N. & Hafellner J., Biblioth. Lichenol. 77: 1-190 [99-105] (2000); Orange A., Mycotaxon 81: 265-279 (2002); Triebel D., Biblioth. Lichenol. 35: 1-278 [150-176] (1989); Triebel D., Sendtnera 1: 273-280 (1993).

Biogeography: Checklist records: Austria, Germany, Great Britain, Sweden and Norway, and United States and Canada (continental).

Ecology: Biotroph; lichenicolous; terricolous, bryophytic, or corticolous; substrate non-calciferous.

Medulla: Iodine reaction in Lugol's solution negative; not different with or without KOH pre-treatment (euamyloid).

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Perithecioid, orbicular, not emerging, becoming adnate to soon sessile. Margin: External filaments absent. Exciple: Black or brown. Periphyses: Absent or present. Hymenium: Iodine reaction: Lugol’s negative, hemiamyloid. Interascal Hyphae: Present, scarcely branched to distinctly branched, not or scarcely anastomosed to distinctly anastomosed. Hypothecium: Black or brown.

Asci: Tholus thickened, not amyloid; dehiscence verrucarial or bitunicate; exoascus not amyloid, hemiamyloid.

Ascospores: c. 8 per ascus, ellipsoid, filiform, ovoid, or fusiform, 7.5-46 µm long, 2.5-8 µm wide, obtuse or aciculate; septa absent or present; transversally septate, 0-7-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, hyaline or pale brown, in Lugol's Solution negative, wall not ornamented.

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