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Lecidea lygommoides Rambold

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: Rambold G., Biblioth. Lichenol. 34: 219-221 (1989); type specimen label data: Australia, N.S.W., Kosciusko National Park, Charlottes Pass Chalet, granitic boulders on SE slope SE of Charlottes Pass, 1760 m, 16 January 1986, G. Rambold 3515 (M, holotype).

Taxonomic Literature: Rambold G., Biblioth. Lichenol. 34: 219-221 (1989).

Biogeography: Alpine. Continent: Australasia (Australian Alps).

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

Thallus: Not subdivided parts, areolate (primarily areolate), continuous throughout; lobes angular at the front; separate thallus parts.2-.5 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, pale grey, or red (rusty coloured by Fe), plane or convex; not sorediate; without thalloconidia thalloconidia.

Medulla: Iodine reaction in Lugol's solution negative.

Ascocarps: Not emerging, becoming adnate, not constricted at the base, 40-200 per cm², .5-.8-(1.3) mm in diam.. Margin: Not flexuose, persistent or excluded, 15-70 µm wide, epruinose. Disk: Plane or weakly convex, black, epruinose, without an umbo. Exciple: Hyphae 4.5-5.5 µm wide; grey; not inspersed with crystals. Epithecium: Apical cells olive, cell pigment reacting with 10% HCl (in H2O). Hymenium: 70-100 µm high; white; iodine reaction: Lugol’s positive. Subhymenium: White. Hypothecium: Brown.

Ascospores: Ellipsoid, (10)-13.6-15.9-(18) µm long, (5)-5.9-6.8-(8.5) µm wide; wall not ornamented.

Secondary Metabolites: Present, porphyrilic acid.

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

(report generated 04.Okt.2007)

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