Weddellomyces D. Hawksw. (1986)

Data Set Maintenance: Data set standard item. Data set author(s): Triebel D. Data set reviewer(s): Scholz P. (06-08-01) and Triebel D. (98-01-01, 99-03-19, 02-05-16); revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 11. Weddellomyces. Dacampiaceae Körb. (1855); Dothideales.

Type Information: Type: Weddellomyces epicallopisma (Wedd.) D. Hawksw.

Taxonomic Literature: Alstrup V., Fol. Geobot. Phytotax., Praha 27: 185-187 (1992); Alstrup

V. & Hawksworth D.L., Meddel. Grønland, Biosci. 31: 1-90

[74-75] (1990); Calatayud V. & Navarro-Rosinés P.,
Mycotaxon 69: 503-514 (1998); Hawksworth D.L., Nova Hedwigia 30: 549-
556 (1979) - sub Pleospora peripherica; Halici, M.G., Orange, A. & Aksoy, A., Mycotaxon 94: 249-252 (2005); Hawksworth D.L., Notes Roy.
Bot. Gard. Edinburgh 38: 165-183 (1980) - sub Microthelia dissepta;
Hawksworth D.L., Notes Roy. Bot. Gard. Edinburgh 43: 497-519 (1986);
Hawksworth D.L., Notes Roy. Bot. Gard. Edinburgh 46: 391-403 (1990);
Kocourková J., Czech Mycol. 51: 179-184 (1999); Navarro-
Rosinés P., Els liquens i els fongs lichenicoles dels
substrats carbonatats de Catalunya meridional. Tesis Doctoral ined.,
Univ. Barcelona: 1-459 [381-389] (1992); Navarro-Rosinés P.
& Roux C., Mycotaxon 53: 161-187 (1995); Navarro-Rosinés

P. & Roux C., Mycotaxon 61: 433-440 (1997)L; Navarro-
Rosinés
P., Roux C. & Bellemère A., Life Sciences
324: 443-451 (2001).

Biogeography: Checklist records: Austria, Germany, Great Britain, and Sweden and Norway.

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

Lichen Photobionts: Primary photobiont absent. Secondary photobiont absent.

Thallus: Indistinct.

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: Black, red, brownish yellow, or brown. Periphyses: Absent. Hymenium: Iodine reaction: Lugol’s negative, not hemiamyloid. Interascal Hyphae: Present, scarcely branched to distinctly branched, not or scarcely anastomosed to distinctly anastomosed. Hypothecium: Black, brownish yellow, or brown.

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

Ascospores: 1–2 to c. 8 per ascus, globose, ellipsoid, broadly ellipsoid, ovoid, oblong, or fusiform, 10-67 µm long, 7-20 µm wide, obtuse or aciculate; septa present; transversally septate or both transversally and longitudinally, 1-5-transversally septate; wall thin or thick, distinctly differentiated into primary and secondary wall, not thickened at the septum, pale brown to middle brown or dark brown, in Lugol's Solution negative or in Lugol's Solution positive, wall not ornamented or ornamented.

Conidiomata: Absent resp. not observed or present.

Secondary Metabolites: Not detected.

(report generated 04.Okt.2007)