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

Lecidea ochroplaca 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 W., Ann. Mycol. 34: 166-167 (1936); type specimen label data: South Africa, Cape prov., inter Calvinia and Middlelos an saxa arenaria, P. van der Byl. 1114 (W, lectotype).

Biogeography: Colline. Continent: Africa (Cape Prov.).

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

Thallus: Areolate (primarily areolate), continuous throughout; lobes angular at the front; separate thallus parts.1-.3 mm thick. Thallus Size and Differentiation: Large; main branches basally not constricted. Thallus Outline: Margin concolorous the thallus centre. Upper Surface: Verrucose, white @EXCL@ grey @EXCL@ brown, plane; not sorediate; without thalloconidia thalloconidia.

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

Ascocarps: Soon sessile, strongly constricted at the base, 10-60 per cm², .8-.9-(1.3) mm in diam.. Margin: Not flexuose @EXCL@ slightly flexuose, persistent, 40-70 µm wide, epruinose. Disk: Plane @EXCL@ weakly convex, black, epruinose, without an umbo. Exciple: Hyphae radiating outwards; 2.5-4.5 µm wide; grey; inspersed with crystals. Epithecium: Apical cells olive @EXCL@ green @EXCL@ turquoise, cell pigment reacting with 10% HCl (in H2O), cell pigment HCl+ blue. Hymenium: 40-50 µm high; white @EXCL@ lemon (citrine); iodine reaction: Lugol’s positive. Subhymenium: 20-30 µm high; white. Hypothecium: Brown @EXCL@ dark brown.

Ascospores: Oblong @EXCL@ cylindrical, (8.5)-10.3-11-(15) µm long, (3)-3.5-3.8-(4.5) µm wide; wall not ornamented.

Conidia: (4.5)-(9) µm long.

Secondary Metabolites: Present, gyrophoric acid @EXCL@ lecanoric acid (traces).

Spot Tests: Medulla: K –, C – @EXCL@ + red, PD – ascocarp margin (in section): K – @EXCL@ + bluish red, C – @EXCL@ + red; 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.