Kalaallia Alstrup & D. Hawksw.

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: accepted or basionymous. Taxonomic rank: genus. Number of known taxa within this rank: 1. Kalaallia. Dacampiaceae Körb. (1855); Dothideales.

Type Information: Type: Kalaallia reactiva Alstrup & D. Hawskw.

Taxonomic Literature: Alstrup V. & Hawksworth D.L., Meddel. Grønland, Biosci. 31: 1-90 [38-40] (1990).

Ecology: Biotroph; lichenicolous; substrate non-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 or brown. Periphyses: Absent. Hymenium: Iodine reaction: Lugol’s positive, not hemiamyloid. Interascal Hyphae: Present, distinctly branched, distinctly anastomosed. Hypothecium: Brown.

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

Ascospores: c. 8 per ascus, oblong, 17.5-24 µm long, 5-7 µm wide, obtuse; septa present; transversally septate, 3-transversally septate; wall thin, 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)