Taxonomic study of Hydnoporia (Hymenochaetales, Hymenochaetaceae) in East Asia with two new species

Abstract The genus Hydnoporia (Hymenochaetales, Hymenochaetaceae) was first described by Murrill in 1907. However, species of Hydnoporia were subsequently reclassified into the genera Hymenochaete, Hymenochaetopsis, and Pseudochaete due to overlapping morphological characteristics, leading to multiple synonyms and confusion among researchers. Recent phylogenetic analyses based on multimarker datasets have clarified the diversity and relationships within Hydnoporia, but East Asian species remain underrepresented due to limited morphological data. To address this gap, we conducted a comprehensive morphological and phylogenetic analysis of East Asian Hydnoporia specimens using internal transcribed spacer (ITS) and translation elongation factor 1–α (tef1) regions. From 42 specimens, we identified six species, including two novel species, Hydnoporiaorienticorrugatasp. nov. and Hydnoporiasubtabacinasp. nov., and we report Hydnoporiarimosa for the first time in Korea. Phylogenetic analyses also support the recombination of Hymenochaeteintricata and Hymenochaetopsisrigidula as Hydnoporiaintricatacomb. nov. and Hydnoporiarigidulacomb. nov., respectively. By elucidating the phylogenetic relationships and morphological traits of Hydnoporia species from East Asia, this study contributes to a deeper understanding of the global diversity and phylogeny of the genus.

• Publication year

  2024

• Venue

  MycoKeys

• Publication date

  2024-11-25

• Fields of study

  Biology, Medicine

• Identifiers
  DOI 10.3897/mycokeys.111.137347PMID 39633617PMCID 11612637
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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