Cladonia cenotea (Ach.) Schaer.

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; description from Thomson 1984. Brodo I.M. & Ahti T., Can. J. Bot. 74: 1147-1180 (1996); Thomson, J.W., American Arctic Lichens 1. The macrolichens, New York (1984).

Ecology: Terricolous, bryophytic, or lignicolous; growing partially shaded or fully shaded; substrate non-calciferous.

Thallus: Crustose, squamulose; lobes ascending or horizontal; branches densely aggregated, loosely aggregated, scattered, or clustered; separate thallus parts 1-5 mm long; 1 mm wide. Primary Thallus: Evanescent or persistent. Secondary Thallus: Present, arising from center of the primary thallus, of determinate growth; stipe 5-50 mm high, 1-5 mm wide, lime green or brown (the colour of the soredia), homogeneously coloured or mottled, corticate or not corticate, with intact, longitudinally split, or perforated wall. Thallus Outline: Margin crenulate or dissected. Upper Surface: Lime green, olive, or brown; not sorediate or sorediate; soredia farinose. Lower Surface: White; sorediate.

Lower Cortex: Absent.

Ascocarps: Forming along the margin of scyphi, sparse, .5-2 mm in diam.. Disk: Strongly convex; brown.

Conidiomata: Formed on margins of scyphi.

Secondary Metabolites: Squamatic acid, of the following substance class(es): ß-orcinol depsides.

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

UV-Fluorescence: Reaction colour: bright bluish white.

(report generated 15.Nov.2007)