Encephalographa A. Massal. (1854)
Data Set Maintenance: Data set standard item. Data set author(s): Triebel D. Data set reviewer(s): Triebel D. (98-01-01; 99-07-20); revised; to be published after submission.
Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 1. Encephalographa. Hysteriaceae Chevall. (1826); Dothideales.
Type Information: Type: Encephalographa elisae A. Massal.
Taxonomic Literature: Taxonomic notes: Type species regarded as lichen by Tretiach & Modenesi (1999) - not as a lichenicolous fungus! Aptroot A., Diederich P., Sérusiaux E. & Sipman H.J.M.,Biblioth. Lichenol. 64: 1-220 [60-63] (1997); Redinger K.M., Rabenh. Kryptog.-Fl. 9, 2(1): 181-404 [224-225] (1939); Renobales G. & Aguirre B., Syst. Ascomycetum: 87-92 (1990); Tretiach, M. & Modenesi, P., Nova Hedwigia 68: 527-544 (1999).
Biogeography: Checklist records: Great Britain, Italy, New Guinea, and New Zealand.
Ecology: Substrate calciferous.
Lichen Photobionts: Primary photobiont absent. Primary photobiont taxonomy: Trentepohlia; Trentepohliaceae; Trentepohliales. Secondary photobiont absent.
Thallus: Indistinct or crustose. Upper Surface: Grey or grey-yellow.
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: Apothecioid or perithecioid, irregular or linear, becoming adnate to soon sessile. Margin: Prominent; external filaments absent. Exciple: Black, brown, or green. Periphyses: Absent. Epithecium: Apical cells brown or green. Hymenium: Iodine reaction: Lugols negative, not hemiamyloid. Interascal Hyphae: Present, scarcely branched to distinctly branched, distinctly anastomosed. Hypothecium: Brown, white, or brownish yellow.
Asci: Tholus thickened, not amyloid; ocular chamber broad; dehiscence bitunicate; exoascus not amyloid, not hemiamyloid.
Ascospores: c. 8 per ascus, ellipsoid, ovoid, or reniform, 12-18 µm long, 4-9 µm wide, obtuse; septa present; transversally septate, 1-transversally septate; wall thick, distinctly differentiated into primary and secondary wall, not thickened at the septum, hyaline or pale brown, in Lugol's Solution negative, wall not ornamented or ornamented.
Conidiomata: Absent resp. not observed or present.
Conidia: Ellipsoid or bacilliform; microconidial or macroconidial, not branched; aseptate; cell wall hyaline.
Secondary Metabolites: Not detected.
(report generated 04.Okt.2007)
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.