Haplodina Zahlbr. (1930)

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. Number of known taxa within this rank: 3. Haplodina. Genus of unknown placement (incertae sedis); Arthoniales.

Type Information: Type: not designated.

Taxonomic Literature: Zahlbruckner A., Symb. Sin. 3: 1-254 [65-66] (1930).

Ecology: Biotroph; lichenized; corticolous; substrate non-calciferous.

Lichen Photobionts: Primary photobiont present; cyanobacterial. Secondary photobiont absent.

Thallus: Indistinct or crustose, not subdivided parts, granular, rimose, or areolate (primarily areolate). Upper Surface: 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: Apothecioid, orbicular, forming all across the thallus surface, soon sessile. Margin: Prominent. Exciple: Black, brown, or brownish yellow. Epithecium: Apical cells brown. Interascal Hyphae: Present, distinctly branched, not or scarcely anastomosed. Hypothecium: Black, brown, white, or brownish yellow.

Ascospores: c. 8 per ascus, ellipsoid, 9-18 µm long, 4-9 µm wide, obtuse or aciculate; septa absent; wall thin or 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: Not detected.

(report generated 04.Okt.2007)