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Cladonia crispata var. crispata (chemotype 2: thamnolic acid) (Ach.) Flotow

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: includes "japonica," considered here as a thamnolic strain. Brodo I.M. & Ahti T., Can. J. Bot. 74: 1147-1180 (1996).

Ecology: Terricolous or bryophytic (over rock generally in or around bogs); growing sun-exposed or partially shaded.

Thallus: Crustose, squamulose; lobes ascending or horizontal; branches loosely aggregated, clustered, or densely aggregated; separate thallus parts 1-4 mm long; .5-1.5 mm wide. Primary Thallus: Evanescent or persistent. Secondary Thallus: Present, of indeterminate growth; stipe 15-70 mm high, .6-2.5 mm wide, lime green, olive, or brown (121,95,79,57-55, browner in s. str., greener in "japonica"), mottled or tainted brown, corticate, with intact or rarely longitudinally split wall, 20-40 µm thick. Thallus Outline: Margin crenulate or dissected. Upper Surface: Areolated (paler patches on a dark brown to black background), lime green, olive, or brown (121,95,79, 57-55), smooth; not sorediate. Lower Surface: White or brown (at base).

Lower Cortex: Absent.

Ascocarps: Forming along the margin of scyphi, moderately abundant, .15-.8 mm in diam.. Disk: Plane (emarginate, or with a thin margin even with the disk); brown (greyish red-brown (46-47)).

Conidiomata: Formed on margins of scyphi.

Pycnidia: With reddish ostiolar gel.

Secondary Metabolites: Thamnolic acid (often with traces of decarboxythamnolic acid) or barbatic acid (traces), of the following substance class(es): ß-orcinol depsides.

Spot Tests: Upper surface: K + deep yellow, C –, PD + orange.

(report generated 15.Nov.2007)

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