Polyozellus multiplex (Thelephorales) is a species complex containing four new species

Mycologia
Andrus VoitkUrmas Kõljalg

Abstract

Geographic, morphological, and internal transcribed spacer (ITS)-based molecular review of collections identified as Polyozellus multiplex revealed that it is a complex of five phylogenetic species. Average spore size-either less or more than 7 × 6 µm-splits the complex into a small-spored group of two (P. multiplex and P. atrolazulinus) and a large-spored group of three (P. mariae, P. marymargaretae, and P. purpureoniger). Basidiocarps of the small-spored species are somewhat smaller than the large-spored ones, are various shades of blue, dark all the way to black, with brownish tomentum only in early growth, have dark context, and have pilei that tend to flare out at the edge. The large-spored species produce somewhat larger sporocarps, have light or lighter context than the pileipelis, and usually retain some brown on the mature pileipellis, the edge of which tends to curl like a cabbage leaf. All will darken or blacken with age. The species of the P. multiplex complex are distributed in the northern coniferous region, with the exception of Europe. One species (P. atrolazulinus) is known from three regions, eastern Asia, western North America, and northeastern North America. Two species are known from two regions: P. purpure...Continue Reading

References

Nov 4, 2006·Molecular Phylogenetics and Evolution·P Brandon MathenyDavid S Hibbett
Apr 23, 2010·The New Phytologist·Kessy AbarenkovUrmas Kõljalg
Feb 24, 2012·Systematic Biology·Fredrik RonquistJohn P Huelsenbeck
Jan 19, 2013·Molecular Biology and Evolution·Kazutaka Katoh, Daron M Standley
Oct 12, 2013·Molecular Ecology·Urmas KõljalgKarl-Henrik Larsson
Mar 24, 2016·Molecular Biology and Evolution·Sudhir KumarKoichiro Tamura
Jun 4, 2016·Science·U KõljalgK Abarenkov
Jun 14, 2017·Mycologia·Steven A TrudellJoaquin Cifuentes

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Citations

Dec 4, 2020·Microorganisms·Urmas KõljalgKessy Abarenkov

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