Lecidea inops Th. Fr.

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. Lecideaceae Chevall. (1826); Lecanorales.

Type Information: Protologue: Fries T.M., Lichenogr. Scand. 501-502 (1874); type specimen label data: Sweden, Värmland, Torsebäckens koppargruva, 1867, J.A. Lagergren (UPS, holotype).

Taxonomic Literature: Purvis O.W., James P.W., Lichenologist 17: 229-232 (1985); Hertel H., Biblioth. Lichenol. 58: 161 (1995); Huneck S., Schmidt J. in Daniels J.A., Schulz M., Peine, J. (eds.), Contrib. Lichenol. Hon. G. Follmann 32 (1995).

Biogeography: Montane and alpine. Continent: Europe (Br, Cz, Ga, Ge, No, Su).

Ecology: Biotroph; lichenized; endosubstratic or episubstratic; substrate metalliferous.

Thallus: Not subdivided parts, areolate (primarily areolate), continuous throughout, dispersed along the periphery, continuous in the centre, or dispersed throughout and distinctly seperate; lobes angular at the front; separate thallus parts 0-1 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, or pale grey, convex; not sorediate; without thalloconidia thalloconidia.

Medulla: Iodine reaction in Lugol's solution positive.

Ascocarps: Soon sessile, slightly constricted or strongly constricted at the base, 15-90 per cm², .8-1.3-(2) mm in diam.. Margin: Not flexuose, persistent or excluded, indistinct, 60-160 µm wide, epruinose. Disk: Plane, weakly convex, or strongly convex, black, epruinose, pruina scarce, without an umbo. Exciple: Hyphae radiating outwards; 2-2.5 µm wide; grey (TEST); not inspersed with crystals or rarely inspersed with crystals. Epithecium: Apical cells olive, green, or rarely turquoise, cell pigment reacting with 10% HCl (in H2O). Hymenium: 35-55 µm high; white; iodine reaction: Lugol’s positive. Subhymenium: 15-30 µm high; white. Hypothecium: Brown.

Ascospores: Ellipsoid, oblong, or cylindrical, (6)-7.7-10.8-(13) µm long, (2.5)-3.1-3.8-(4.5) µm wide; wall not ornamented.

Conidia: (9)-(Brit. Lich. Fl.) 10.5-13.5-(15) µm long.

Secondary Metabolites: Present, perlatolic acid.

Spot Tests: Medulla: K –, C –, PD – ascocarp margin (in section): K –, C – or + red; disk: C – hypothecium: K – epihymenium: K –.

(report generated 04.Okt.2007)