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Lecidea vareschiana Hertel ined.

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: orig.descr.; type specimen label data: Venezuela, Estado Merida, Sierra de Santo Domingo, ..

Taxonomic Literature: Taxonomic notes: superficially resembling L. sarcogynoides. Sel.lit.

Biogeography: Alpine. Continent: Southern America (Venezuela).

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

Thallus: Separate thallus parts 0 mm thick. Thallus Size and Differentiation: Large. Upper Surface: Not sorediate; without thalloconidia thalloconidia.

Medulla: Iodine reaction in Lugol's solution positive.

Ascocarps: Soon sessile, strongly constricted at the base, 1.1-1.4-(2.1) mm in diam.. Margin: Not flexuose or slightly flexuose, persistent, 120-200 µm wide, epruinose. Disk: Plane to weakly convex, black, epruinose, without an umbo, forming occasionally, on few disks only. Exciple: Pink (rosé); inspersed with crystals. Epithecium: Apical cells brown or black, cell pigment reacting with 10% HCl (in H2O). Hymenium: 35-45 µm high; pink (rosé); iodine reaction: Lugol’s positive. Subhymenium: 10-25 µm high; white or pink (rosé). Hypothecium: Brown or dark brown.

Ascospores: Ellipsoid, oblong, or cylindrical, (5)-6.2-7.7-(10) µm long, (2.7)-3.1-3.7-(4.5) µm wide; wall not ornamented.

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

(report generated 04.Okt.2007)

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