PHYLOGENY OF TRICHIA BRUNNEA AND NEW NAMES IN THE GENUS ARCYRIA (TRICHIALES, MYXOMYCETES)

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Abstract

Recent phylogenetic studies indicate taxonomic uncertainty of some species in the genera Arcyria (Arcyriaceae) and Trichia (Trichiaceae). For example, a phylogenetic position of Trichia brunnea still is not resolved. We revised a taxonomic position of this species based on extensively sampled 18S nrDNA sequences, as well as a morphological analysis of sporocarps and spores. The nomenclatural history of T. brunnea is briefly presented and a comprehensive morphological description of the species is provided. In result, we support the transfer of T. brunnea to Arcyria. Because of the name Arcyria brunnea exists already, we propose a new name, A. brunneo-iridescens (= Trichia brunnea).

About the authors

A. V. Vlasenko

Central Siberian Botanical Garden of Siberian Branch of the Russian Academy of Sciences

Email: anastasiamix81@mail.ru
Russia, 630090, Novosibirsk

Yu. K. Novozhilov

Komarov Botanical Institute of the Russian Academy of Sciences

Email: yurynovozh1lov@yandex.ru
Russia, 197376, St. Petersburg

A. A. Bondar

Institute of Chemical Biology and Fundamental Medicine of Siberian Branch of the Russian Academy of Sciences

Email: ibp@ibp.ru
Russia, 630090, Novosibirsk

V. A. Vlasenko

Central Siberian Botanical Garden of Siberian Branch of the Russian Academy of Sciences

Author for correspondence.
Email: vlasenkomyces@mail.ru
Russia, 630090, Novosibirsk

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Copyright (c) 2023 A.V. Vlasenko, Yu.K. Novozhilov, A.A. Bondar, V.A. Vlasenko

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