Myeloconis P. M. McCarthy & Elix (1996)

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. Data set not revised; to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: genus. Myeloconis. Trichotheliaceae (Müll. Arg.) Bitter & Schill (1927); of unknown placement (incertae sedis).

Type Information: Type: Myeloconis fecunda P.M. McCarthy & Elix.

Taxonomic Literature: McCarthy P.M. & Elix J.A., Lichenologist 28: 401-404 (1996).

Ecology: Biotroph; lichenized; corticolous.

Lichen Photobionts: Primary photobiont present; trentepohlioid. Primary photobiont taxonomy: Trentepohliaceae; Trentepohliales. Secondary photobiont absent.

Thallus: Crustose, not subdivided parts, rimose. Upper Surface: Brown, green, grey, brownish yellow, or olive; special structures absent. Lower Surface: Attached by the whole lower surface; special structures absent.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Perithecioid, orbicular, forming all across the thallus surface, not emerging, becoming adnate to soon sessile. Exciple: Black or brown. Interascal Hyphae: Present, scarcely branched to distinctly branched, not or scarcely anastomosed to distinctly anastomosed. Hypothecium: Black or brown.

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

Ascospores: c. 8 per ascus, fusiform, 94-300 µm long, 17-34 µm wide, aciculate; septa present; both transversally and longitudinally, 21-70-transversally septate; wall thick, distinctly differentiated into primary and secondary wall, not thickened at the septum, hyaline, in Lugol's Solution negative, wall not ornamented.

Conidiomata: Absent resp. not observed or present.

Secondary Metabolites: Present, of the following substance class(es): xanthones.

(report generated 04.Okt.2007)