Lecidea subceresina Zahlbr.
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: Zahlbruckner A., Ann. Crypt. Exot. 5: 229-230 (1932); type specimen label data: Republic of South Africa, Natal, Drakensberge, Van Reenens Pass, World View, 1750 m, 3 December 1909, J. Brunnthaler (WU, holotype).
Taxonomic Literature: -.
Biogeography: Colline and montane. Continent: Africa.
Ecology: Biotroph; lichenized; episubstratic; substrate non-calciferous.
Thallus: Areolate (primarily areolate), continuous throughout; lobes angular at the front; separate thallus parts.1-.25 mm thick. Thallus Size and Differentiation: Large; main branches basally not constricted. Thallus Outline: Margin concolorous the thallus centre. Upper Surface: White or grey, plane; not sorediate; without thalloconidia thalloconidia.
Medulla: Iodine reaction in Lugol's solution negative.
Ascocarps: Soon sessile, slightly constricted at the base, 80-250 per cm², .25-.4-(.7) mm in diam.. Margin: Not flexuose, persistent, 12-18 µm wide, epruinose. Disk: Plane, black, epruinose, without an umbo. Exciple: Hyphae radiating outwards; 3 µm wide; grey or brown; not inspersed with crystals. Epithecium: Apical cells olive, cell pigment reacting with 10% HCl (in H2O). Hymenium: 37-54 µm high; white or pink (rosé); iodine reaction: Lugols positive, hemiamyloid. Subhymenium: 15-20 µm high; white. Hypothecium: Brown or dark brown.
Ascospores: Ellipsoid or oblong, (8)-9.8-10.2-(12.5) µm long, (3)-3.3-3.7-(4) µm wide; wall not ornamented.
Conidia: (5)-5.5-6.5-(7) µm long.
Secondary Metabolites: Present, confluentic acid, 2'-O-methylmicrophyllinic acid (trace), and 2'-O-methylperlatolic acid (trace).
Spot Tests: Medulla: K , C , PD ascocarp margin (in section): K , C disk: C hypothecium: K epihymenium: K .
(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.