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

Type Information: Protologue: Filson R., Muelleria 3(1): 16-18 (1974); type specimen label data: Antarctica, Wilkes Land, Windmill Islands, Western side of Haupt nunataks, 3 January 1970, R. Anderson (MEL-1012035).

Taxonomic Literature: Taxonomic notes: Most likely a "stictic acid chemotype" of Lecidea cancriformis. Inoue M., Nankyoku Shiryo (Nation. Inst. Polar Res., Tokyo) 35(3): 277 (1991).

Ecology: Biotroph; lichenized; endosubstratic or episubstratic; substrate non-calciferous.

Thallus: Not subdivided parts, granular, continuous throughout, dispersed along the periphery, continuous in the centre, or dispersed throughout and distinctly seperate; lobes angular at the front; separate thallus parts 0-.25 mm thick. Thallus Size and Differentiation: Large; main branches basally not constricted. Thallus Outline: Margin concolorous the thallus centre. Upper Surface: White, lemon (citrine), brownish yellow, grey, or brown (pale beige), plane; not sorediate; without thalloconidia thalloconidia.

Ascocarps: Soon sessile, strongly constricted at the base, 20-40 per cm², .8-1-(1.3) mm in diam.. Margin: Not flexuose or slightly flexuose, persistent, 100-160 µm wide, epruinose. Disk: Plane, black, epruinose, without an umbo. Exciple: Grey. Epithecium: Apical cells green. Hymenium: 38-48 µm high; white; iodine reaction: Lugol’s positive. Subhymenium: 15-25 µm high; white. Hypothecium: Brownish yellow.

Ascospores: Oblong, (5)-9-10.5-(13.5) µm long, (3)-3.7-4-(5) µm wide; wall not ornamented.

Spot Tests: Medulla: K –, C –, PD – ascocarp margin (in section): K –, 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