Tephromela glacialis Grube & Poelt
Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. (94-08-27). Data set reviewer(s): Kainz C. (00-12-01); to be published after submission; 94-08-27.
Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Tephromela. Lecanoraceae Körb. (1855).
Taxonomic Literature: Poelt J. & Grube M., Nova Hedwigia 57: 1-17 (1993).
Biogeography: Continent: Asia-Temperate.
Ecology: Biotroph; lichenized; substrate non-calciferous.
Thallus: Areolate (primarily areolate). Thallus Outline: Persistent. Upper Surface: Grey or white, rough; not sorediate.
Reproduction Strategy: With sexual (and possible asexual) stages. Ascocarps: Soon sessile, strongly constricted at the base, 1-6 mm in diam.. Margin: Lecanorine, strongly flexuose, persistent, prominent, concolourous with the surrounding thallus. Disk: Black (like tar). Epithecium: Apical cells purplish brown. Hymenium: Purplish brown (less intense towards the lower parts) or pink (rosé). Hypothecium: White.
Ascospores: 9-13 µm long, 5.5-7 µm wide; septa absent.
Conidia: Cylindrical; 10-14 µm long.
Secondary Metabolites: a-collatolic acid, alectoronic acid, or atranorin.
Spot Tests: Upper surface: C –, PD –.
(report generated 04.Okt.2007)
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