Botanische Staatssammlung München © 1995–2008
Data remain intellectual property of the data set authors.

The description has been generated directly from a database. In cases of errors and insufficiencies consult the corresponding LIAS data entry and revision forms to make the necessary modifications. Changes will appear in the subsequent update of data entry forms and natural language descriptions. [To verify the actual status of the pages, select the reload frame function in the context menu!]
These pages are XHTML compatible designed. May be that problems arise with older web browser versions.

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

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 1. Hydronectria. Hypocreaceae De Not. (1844); Hypocreales.

Taxonomic Literature: Müller E. & von Arx J.A., Beitr. Kryptogamenfl. Schweiz 11(2): 1-922 [638-640] (1962); Kohlmeyer J. & Kohlmeyer E., Marine Mycology. The higher fungi. Academic Press, New York: 1-690 [327-328] (1979); Rogerson C., Mycologia 62: 865-910 [888] (1970); Rossman A.Y., Samuels G.J., Rogerson C.T. & Lowen R., Genera of the Hypocreales: 1-7 (1993) - [unpublished manuscript presented at the First International Workshop on Ascomycete Systematics, Paris].

Ecology: Biotroph or saprobic; lichenicolous; lignicolous or corticolous; substrate 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. Margin: External filaments absent. Exciple: Brownish yellow or orange. Periphyses: Present. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Absent or present, scarcely branched, not or scarcely anastomosed. Hypothecium: White, brownish yellow, or orange.

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

Ascospores: c. 8 per ascus, ellipsoid, fusiform, or ovoid, 17-40 µm long, 8.5-13 µm wide, aciculate; septa present; transversally septate, 1-transversally septate; wall thin, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented or ornamented.

In case that additional characters and states are required to be included in this data set, consult the LIAS Instructions to Participants and follow the procedures described there.

LIAS Home