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

The description has been generated directly from a database. In cases of errors and insufficiencies consult the corresponding LIAS data entry and revision forms to make the necessary modifications. Changes will appear in the subsequent update of data entry forms and natural language descriptions. [To verify the actual status of the pages, select the reload frame function in the context menu!]
These pages are XHTML compatible designed. May be that problems arise with older web browser versions.

Data Set Maintenance: Data set standard item. Data set author(s): Hertel H. (99-01-01). Data set not revised.

Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: species. Lecidea. Synonyms:-; Lecideaceae Chevall. (1826); Lecanorales.

Type Information: Protologue: Nylander W., Flora 58: 301 (1875); type specimen label data: Austria, Tirol, Kühthei, F. Arnold (H-Nyl 15329a, holotype).

Taxonomic Literature: Taxonomic notes: Very insufficiently studied, rather critical taxon. Inoue M., J. Sci. Hiroshima Univ., Ser. B, Div. 2 (Bot.), 18(1): 33-34 (1982); Andreev M.P., Antonova I.M., Novit. Syst. Plant. Non Vasc. 26: 95 (1989).

Biogeography: Alpine. Continent: Europe (Au) and Asia-Temperate (S.W.most Japan).

Thallus: Areolate (primarily areolate), continuous throughout or dispersed along the periphery, continuous in the centre; lobes angular at the front; separate thallus parts.2-.3 mm thick. Thallus Size and Differentiation: Large; main branches basally not constricted. Upper Surface: Brown (yellow brown to medium brown), plane; not sorediate; without thalloconidia thalloconidia.

Upper Cortex: Epicortex present. Medulla: Iodine reaction in Lugol's solution positive.

Ascocarps: Soon sessile, slightly constricted at the base, .6-.8-(1) mm in diam.. Margin: Not flexuose, persistent or excluded, 60-80 µm wide, epruinose. Disk: Plane to weakly convex, black, epruinose, without an umbo. Exciple: Hyphae radiating outwards; 4-5 µm wide; grey. Epithecium: Apical cells turquoise. Hymenium: 35-50 µm high; white; iodine reaction: Lugol’s positive ('dirty blue'). Subhymenium: 15-25 µm high; white. Hypothecium: Brown.

Spot Tests: Medulla: K – or + yellow (medulla), C –, PD – ascocarp margin (in section): K + deep yellow, C – disk: C – hypothecium: K –.

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.

LIAS Home