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Mycologia. 2010 May-Jun;102(3):718-28.

Two new species of nivicolous Lamproderma (myxomycetes) from the mountains of Europe and America.

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Institute of Botany, Polish Academy of Sciences, Lubicz 46, 31-512 Kraków, Poland.


As a result of the revision of European and American collections of genus Lamproderma two new nivicolous myxomycete species, Lamproderma argenteobrunneum and L. kowalskii, are described. The new species are characterized by the silvery-brown sporothecae, the areolate peridium and the ferruginous-brown spores in mass. They differ from one another mainly in spore size and ornamentation, the form of the capillitium and the stalk length and ratio of the stalk length to the total height of the sporocarp. The morphology of the new species was examined with light microscopy and scanning electron microscopy (SEM), and micrographs of relevant details are included. Lamproderma argenteobrunneum also was obtained in moist chamber culture, and the mature sporocarps displayed all features typical of field-collected samples. The known geographical distribution of L. argenteobrunneum includes the main ranges of the European alpine system (Alps, Carpathians, Pyrenees) as well as those of North America, while L. kowalskii has been recorded so far from several sites in California in the United States.

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