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Cladonia maxima (Asahina) Ahti

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: not on QCI; rare in Alaska. Brodo I.M. & Ahti T., Can. J. Bot. 74: 1147-1180 (1996).

Ecology: Terricolous or bryophytic; growing sun-exposed or partially shaded.

Thallus: Crustose, squamulose; branches loosely aggregated or scattered. Primary Thallus: Evanescent. Secondary Thallus: Present, of indeterminate growth; stipe 40-180 mm high, 1.3-5 mm wide, lime green or olive (light yellow-green (119) to olive brown (94)), homogeneously coloured or tainted brown, corticate, with intact (rarely perforate) wall, 20-50 µm thick. Upper Surface: Smooth.

Ascocarps: Forming along the margin of scyphi, sparse. Disk: Strongly convex; brown.

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

Spot Tests: Upper surface: K – (negative) or + bright yellow (citrine, lemon), C –, PD + red.

(report generated 15.Nov.2007)

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