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Cladonia cervicornis (Ach.) Flot. ssp. cervicornis

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. Taxonomic rank: species. Cladonia. Cladoniaceae Zenker (1827).

Taxonomic Literature: Taxonomic notes: poorly developed on QCI: only one specimen. Brodo I.M. & Ahti T., Can. J. Bot. 74: 1147-1180 (1996).

Ecology: Terricolous; growing sun-exposed; substrate non-calciferous.

Thallus: Crustose, squamulose; lobes elongate, ascending; branches densely aggregated or scattered; separate thallus parts 3-10 mm long; 2-6 mm wide. Primary Thallus: Persistent. Secondary Thallus: Present, arising from center of the primary thallus, of determinate growth; stipe 10-22 mm high, .8-1.3 mm wide, lime green, olive, or brown (yellowish green (122-121), becoming brown (76-77)), homogeneously coloured (in Scandinavian specimens) or mottled, corticate, with intact wall. Thallus Outline: Margin entire, crenulate, or dissected (lobes). Upper Surface: Verruculose or areolated (areoles becoming convex and conspicuous), lime green, olive, or brown (greyish to pale yellow green (122-121) to greyish olive (109) or light brown (76-77)); not sorediate. Lower Surface: White or brown (-black at base).

Lower Cortex: Absent.

Reproduction Strategy: Only known as sterile, asexually reproducing form. Ascocarps: Sparse. Disk: Brown.

Conidiomata: Formed on margins of scyphi.

Secondary Metabolites: Fumarprotocetraric acid and protocetraric acid, of the following substance class(es): ß-orcinol depsidones.

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

(report generated 15.Nov.2007)

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