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Data Set Maintenance: Data set standard item. Data set author(s): Scholz P. @EXCL@ Cáceres M. (06-08-02). Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: genus. Number of known taxa within this rank: 48. Synonyms: Nectria subgenus Dialonectria Sacc. (1883); genus of unknown placement (incertae sedis) (Nectriaceae Tul. & C. Tul. (1865)); Hypocreales.

Taxonomic Literature: Etayo J., Anal. Jard. Bot. Madrid 60: 19-25 [23-24] (2003); Rabenhorst L., Fungi Eur. 459 (1862); Rossman A.Y., Samuels G.J., Rogerson C.T. & Lowen R., Stud. Mycol. 42: 1-248 [115-131] (1999); Samuels G.J., Rossman A.Y., Lowen R. & Rogerson C.T., Mycol. Pap. 164: 1-47 (1991).

Ecology: Saprobic or biotroph; lichenicolous (also on scale insects) or fungicolous; lignicolous or corticolous.

Thallus: Indistinct. Upper Surface: Special structures absent; not pseudocyphellate; eciliate; without hairs; not isidate; not sorediate; not cephalodiate; not lobulate; without granules granules, without thalloconidia thalloconidia. Lower Surface: Attached by the whole lower surface; 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: Perithecioid, orbicular, becoming adnate to soon sessile, stromatic. Wall: Not carbonized, not fused. Margin: Distinct; external filaments absent or present. Exciple: Red, rarely yellow, or orange. Periphyses: Present. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Absent.

Ascospores: c. 8 per ascus, ellipsoid, rarely ovoid, cylindrical (rarely), or fusiform, (5.5)-14.5-17-(39) µm long, (2.5)-4-12.5-(14.5) µm wide, obtuse; septa present; transversally septate, 1-3-transversally septate; wall thick, distinctly differentiated into primary and secondary wall, thickened at the septum, not constricted where the septum meets the spore wall, hyaline or pale brown, not ornamented (rarely) or ornamented (usually spinulose to tuberculate).

Conidia: Fusiform, filiform, or curved; microconidial or macroconidial; aseptate or septate; 1-6-septate; cell wall hyaline.

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