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Heterodermia speciosa (Wulfen) Trevis.

Data Set Maintenance: Data set standard item. Data set author(s): Schramm R. & Nash T. H. (99-06-25). Data set not to be published after submission; 99-12-31.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Heterodermia. Physciaceae Zahlbr. (1898).

Taxonomic Literature: Moberg R. & Nash III T.H., Bryologist 102(1): 1-14 [12] (1999); Kurokawa S., Beih. Nova Hedwigia 6: 1-115 [24] (1962); Swinscow T. & Krog H., Lichenologist 8: 103-138 [134] (1976).

Biogeography: Continent: Northern America and Europe.

Ecology: Corticolous; substrate non-calciferous.

Thallus: Lobes convex or plane; separate thallus parts narrow. Thallus Size and Differentiation: Small. Upper Surface: Brown; epruinose or pruinose; eciliate; not isidate; sorediate; soralia pale grey, labriform or semicapitate.

Lower Cortex: Present.

Reproduction Strategy: With sexual (and possible asexual) stages.

Conidiomata: Absent resp. not observed.

Secondary Metabolites: Atranorin and hopane-6a,22-diol, metabolite(s) of unresolved identity: present.

(report generated 13.Nov.2007)

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