Cladonia sulphurina (Michx.) Fr.

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 sun-exposed.

Thallus: Crustose, squamulose; lobes ascending or horizontal; branches densely aggregated, scattered, loosely aggregated, or clustered; separate thallus parts 5-10 mm long; 2.5-5 mm wide. Primary Thallus: Persistent. Secondary Thallus: Present, arising from center of the primary thallus, of determinate growth; stipe 15-65 mm high, 1-4 mm wide, lime green (yellow), homogeneously coloured, corticate (at base), with longitudinally split or perforated (especially under and around cups) wall. Thallus Outline: Margin crenulate or dissected. Upper Surface: Areolated (where corticate at base), lime green, smooth; not sorediate. Lower Surface: White or orange (at base).

Lower Cortex: Absent or rarely present.

Ascocarps: Forming along the margin of scyphi, sparse, 1-3 mm in diam.. Disk: Weakly convex or strongly convex; red.

Conidiomata: Formed on margins of scyphi.

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

Spot Tests: Upper surface: K – (negative), C –, + deep yellow, or + orange, PD –.

UV-Fluorescence: Reaction colour: bright bluish white.

(report generated 15.Nov.2007)