A new coprophilous species of Perichaena (Myxomycetes) from the Russian Arctic (the Taimyr Peninsula and the Chukchi Peninsula)

Authors: Novozhilov, Yuri. & Schnittler, Martin
Journal: Karstenia, Volume 40 (2000), Issue 1-2, pages 117-122.
Doi: https://doi.org/10.29203/ka.2000.360
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Key words: Perichaena taimriensis, coprophilous myxomycetes, ultrastructure, Russia, Arctic

Abstract:  Perichaena taimyriensis Novozh. & Schnittler is a new, undescribed coprophilous myxomycete species characterised by the absence of a capillitium and its pilate spore ornamentation. Collections from the Taimyr Peninsula and the Chukchi Peninsula, Russia, were recorded from dung of reindeer (Rangifer tarandus L.) in forest-tundra and tundra communities. A description of P. taimyriensis and scanning electron photographs are presented. Characters distinguishing this species from Perichaena corticalis (Batsch) Rostaf. var. liceoides (Rostaf.) G. Lister are given. The taxonomic limits of this species are discussed. Apparently, P. taimyriensis represents an intermediate taxon between Perichaena and Licea but can be tentatively placed within the genus Perichaena.