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Tephromela siphulodes Poelt & Grube var. siphulodes

Data Set Maintenance: Data set compiled. Data set author(s): Kainz C. (00-12-01). Data set to be published after submission.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Tephromela. Lecanoraceae Körb. (1855).

Taxonomic Literature: Poelt, J & Grube M (1993) Nova Hedwigia 57: 1-17.

Biogeography: Continent: Asia-Temperate.

Ecology: Biotroph; lichenized; bryophytic or lignicolous.

Upper Surface: Grey, pale yellow (sometimes), or white.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Soon sessile, not constricted or strongly constricted (older apothecia) at the base, 1-2.7 mm in diam.. Margin: Lecanorine, persistent, prominent. Disk: Slightly excavate, black (like tar). Amphithecium (thalline excipulum): Photobiont sparse. Epithecium: Apical cells brownish red (internal cap). Hypothecium: White to brownish yellow (in lower parts).

Ascospores: 12-15 µm long, 7-9 µm wide.

Conidia: Cylindrical.

Secondary Metabolites: a-collatolic acid to alectoronic acid (regularly) to atranorin.

Spot Tests: Upper surface: C –, PD –.

(report generated 04.Okt.2007)

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