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Cladonia norvegica Tønsberg & Holein

Data Set Maintenance: Data set standard item. Data set author(s): Brodo I. & Ahti T. (96-12-10). Data set to be published after submission; 96-12-10.

Nomenclature: Current taxonomic status: accepted or basionymous. Taxonomic rank: species. Cladonia. Cladoniaceae Zenker (1827).

Taxonomic Literature: Taxonomic notes: description based on QCI material. Brodo I.M. & Ahti T., Can. J. Bot. 74: 1147-1180 (1996).

Ecology: Lignicolous (usually on conifers such as Picea) or corticolous; growing partially shaded.

Thallus: Crustose, squamulose; lobes ascending or horizontal; branches densely aggregated, loosely aggregated, or scattered; separate thallus parts 1-3 mm long; 2-4 mm wide. Primary Thallus: Persistent. Secondary Thallus: Present, arising from center of the primary thallus, of determinate growth; stipe 10-30 mm high, .5-1 mm wide, lime green or brown, homogeneously coloured or mottled, corticate or not corticate (present on lower 10-50%; absent where sorediate), with intact wall. Thallus Outline: Margin dissected. Upper Surface: Lime green or brown (pale yellow-green (134) or brownish (105, 88, 74)), smooth (where corticate); not sorediate or sorediate; soralia peripheral, soredia coarse. Lower Surface: White or orange (at the base, KOH+ reddish purple); sorediate.

Lower Cortex: Absent.

Ascocarps: Forming apical at the tip of branches or stipes, sparse, .3-2 mm in diam.. Disk: Plane to strongly convex; brown (waxy pale brown to dark brown).

Conidiomata: Formed on podetia.

Secondary Metabolites: Barbatic acid (with 4-O-demethylbarbatic acid) and squamatic acid (traces), of the following substance class(es): ß-orcinol depsides.

Spot Tests: Upper surface: K – (negative), C – or + orange, PD –.

UV-Fluorescence: Reaction colour: bright bluish white.

(report generated 15.Nov.2007)

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