Additions to the Knowledge of Corticioid <i>Xylodon</i> (Schizoporaceae, Hymenochaetales): Introducing Three New <i>Xylodon</i> Species from Southern China
Three wood-inhabiting fungal species, <i>Xylodon gossypinus</i>, <i>X. macrosporus,</i> and <i>X. sinensis</i> spp. nov. were collected from southern China, with the similar function to decompose rotten wood, which are here proposed as new taxa based on a combinat...
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| Autores principales: | , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
MDPI AG
2021
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/162d621e45924da287fc0d529b26f2ac |
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| Sumario: | Three wood-inhabiting fungal species, <i>Xylodon gossypinus</i>, <i>X. macrosporus,</i> and <i>X. sinensis</i> spp. nov. were collected from southern China, with the similar function to decompose rotten wood, which are here proposed as new taxa based on a combination of morphological features and molecular evidence. <i>Xylodon</i> <i>gossypinus</i> is characterized by the resupinate basidiomata with cotton hymenophore, and ellipsoid basidiospores; <i>X.</i><i>macrosporus</i> is characterized by the resupinate basidiomata having the cracking hymenophore with pale yellowish hymenial surface, and larger basidiospores 8–10.5 × 7.5–9 µm; and <i>X. sinensis</i> differs by its grandinioid hymenial surface and subglobose basidiospores measuring as 3–5 × 2.5–4 µm. Sequences of ITS and nLSU rRNA markers of the studied samples were generated, and phylogenetic analyses were performed with maximum likelihood, maximum parsimony, and Bayesian inference methods. The ITS+nLSU analysis in Hymenochaetales revealed that the three new species clustered into the Schizoporaceae family, located in genus <i>Xylodon</i>; based on the ITS dataset, <i>X. gossypinus</i> was a sister to <i>X. ussuriensis</i>; <i>X. macrosporus</i> closely grouped with <i>X.</i><i>follis</i> with a high support; and <i>X.</i><i>sinensis</i> was retrieved as two sisters to <i>X. attenuatus</i> and <i>X. yarraensis</i> with a lower support. |
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