Botanische Staatssammlung München © 1995–2008
Data remain intellectual property of the data set authors.

Miriquidica plumbeoatra (Vain.) A. J. Schwab & Rambold

Data Set Maintenance: Data set standard item. Data set author(s): Rambold G. (96-02-07). Data set reviewer(s): Kainz C. (00-11-16); to be published after submission; 96-02-07.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Miriquidica. Lecanoraceae Körb. (1855).

Taxonomic Literature: Rambold G. & Schwab A.J. 1990. Rusty coloured species of the lichen genus Miriquidica (Lecanoraceae). - Nord. J. Bot. 10: 117-121.

Biogeography: Continent: Europe and Northern America.

Ecology: Biotroph; lichenized; substrate non-calciferous.

Thallus: Crustose, irregularly not subdivided parts, areolate (primarily areolate) (more or less); separate thallus parts thin (0.2 - 0.5 mm). Thallus Outline: Simple; persistent; black or grey. Upper Surface: Grey, brown, or grey-brown, smooth or rough; not sorediate. Lower Surface: Not rhizinate.

Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Not emerging, becoming adnate, .4-.8 mm in diam.. Margin: Excluded (mostly), indistinct or distinct. Disk: Plane to sub-weakly convex, black to dark brown, epruinose to pruinose. Exciple: Black to green to brown. Parathecium (proper excipulum): Dark brown or grey-brown. Amphithecium (thalline excipulum): Present. Epithecium: Apical cells distinctly swollen, brown or olive. Hymenium: White. Hypothecium: Black, brown, or brownish red.

Ascospores: Ellipsoid, 8-11 µm long, 4.5-7 µm wide.

Conidiomata: Immersed.

Pycnidia: Globular or cerebriform (rarely). Conidia: Filiform or curved; 13-20 µm long.

Spot Tests: Upper surface: C –, PD –.

(report generated 04.Okt.2007)

In case that additional characters and states are required to be included in this data set, consult the LIAS Instructions to Participants and follow the procedures described there.