Cladina portentosa f. decolorans (Ahti) 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: Brodo I.M. & Ahti T., Can. J. Bot. 74: 1147-1180 (1996).
Ecology: Growing sun-exposed; under conditions which are dry or moist.
Thallus: Crustose; branches densely aggregated or caespitose. Primary Thallus: Evanescent. Secondary Thallus: Present, of indeterminate growth; stipe 40-90 mm high, .7-1.3-(1.8) mm wide, grey (or yellowish- to greenish white), tainted brown, with intact or perforated wall, 20-40 µm thick. Upper Surface: Verruculose or areolated (with patches of outer medulla distributed over a transluscent inner medullary surface, even close to the podetial tips), byssoid.
Ascocarps: Forming apical at the tip of branches or stipes, moderately abundant, .3-.5 mm in diam.. Disk: Plane to weakly convex; pale brown.
Conidiomata: Formed on podetia.
Pycnidia: With hyaline ostiolar gel.
Secondary Metabolites: Perlatolic acid.
Spot Tests: Upper surface: K – (negative), C –, PD –.
UV-Fluorescence: Reaction colour: bright bluish white (in part).
(report generated 15.Nov.2007)
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