Cladonia pocillum (Ach.) Grognot

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: QCI material poorly developed; better in Alaska. Brodo I.M. & Ahti T., Can. J. Bot. 74: 1147-1180 (1996).

Ecology: Terricolous (usually somewhat calcareous); growing sun-exposed.

Thallus: Crustose (to foliose), squamulose (to foliose); lobes horizontal (with up-turned lobe tips); branches densely aggregated or scattered; separate thallus parts 20-30 mm long; 1.5-4 mm wide. Primary Thallus: Persistent. Secondary Thallus: Rarely absent or present, arising from center of the primary thallus, of determinate growth; stipe 7-12 mm high, lime green, olive, or brown (same as primary thallus, or somewhat darker because of exposed stereome), homogeneously coloured or mottled, corticate, with intact wall. Thallus Outline: Margin crenulate or dissected. Upper Surface: Verruculose or areolated (with convex, peltate squamules forming verrucae), lime green, olive, or brown (yellow-green (121-122) to olive-brown (94-95) becoming yellow-brown (74)); not sorediate. Lower Surface: White or grey.

Lower Cortex: Absent.

Reproduction Strategy: Only known as sterile, asexually reproducing form. Ascocarps: Forming along the margin of scyphi, sparse. Disk: Brown.

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

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

(report generated 15.Nov.2007)