Morphological characteristics and phylogenetic analysis reveal Helvellosebacina filicata sp. nov. and Sebacina aciculicola sp. nov. in Sebacinales from southwest China

Morphological characteristics and phylogenetic analyses based on ITS and nLSU sequences reveal two new species of Sebacinaceae from southwest China, viz. Helvellosebacina filicata sp. nov. and Sebacina aciculicola sp. nov. The two species have similar micromorphology characterized by clampless hypha...

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Main Authors: Jia-Hui Dong, Xin Zhang, Qian-Xin Guan, Fang Wu
Format: Article
Language:English
Published: Pensoft Publishers 2025-06-01
Series:MycoKeys
Online Access:https://mycokeys.pensoft.net/article/152160/download/pdf/
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author Jia-Hui Dong
Xin Zhang
Qian-Xin Guan
Fang Wu
author_facet Jia-Hui Dong
Xin Zhang
Qian-Xin Guan
Fang Wu
author_sort Jia-Hui Dong
collection DOAJ
description Morphological characteristics and phylogenetic analyses based on ITS and nLSU sequences reveal two new species of Sebacinaceae from southwest China, viz. Helvellosebacina filicata sp. nov. and Sebacina aciculicola sp. nov. The two species have similar micromorphology characterized by clampless hyphae, hyphidia with simple septa, longitudinally septate, 4-celled, ovoid to subglobose basidia, and broadly ellipsoid to ovoid basidiospores. However, H. filicata is characterized by cartilaginous to gelatinous, white to cream, sometimes semi-transparent basidiomata; basidiospores measuring 8.6–9.9 × 5.8–7.6 μm; and growth on dead ferns. S. aciculicola is characterized by coriaceous, white-to-cream basidiomata; basidiospores measuring 10.2–12.9 × 6.3–8.7 μm; and growth on needles and bark of Pinus. The two new species are described and illustrated in this study.
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institution Kabale University
issn 1314-4049
language English
publishDate 2025-06-01
publisher Pensoft Publishers
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series MycoKeys
spelling doaj-art-4fe5eec271dd42d5a0aa40634940003a2025-08-20T03:24:43ZengPensoft PublishersMycoKeys1314-40492025-06-0111810511810.3897/mycokeys.118.152160152160Morphological characteristics and phylogenetic analysis reveal Helvellosebacina filicata sp. nov. and Sebacina aciculicola sp. nov. in Sebacinales from southwest ChinaJia-Hui Dong0Xin Zhang1Qian-Xin Guan2Fang Wu3Beijing Forestry UniversityBeijing Forestry UniversityBeijing Forestry UniversityBeijing Forestry UniversityMorphological characteristics and phylogenetic analyses based on ITS and nLSU sequences reveal two new species of Sebacinaceae from southwest China, viz. Helvellosebacina filicata sp. nov. and Sebacina aciculicola sp. nov. The two species have similar micromorphology characterized by clampless hyphae, hyphidia with simple septa, longitudinally septate, 4-celled, ovoid to subglobose basidia, and broadly ellipsoid to ovoid basidiospores. However, H. filicata is characterized by cartilaginous to gelatinous, white to cream, sometimes semi-transparent basidiomata; basidiospores measuring 8.6–9.9 × 5.8–7.6 μm; and growth on dead ferns. S. aciculicola is characterized by coriaceous, white-to-cream basidiomata; basidiospores measuring 10.2–12.9 × 6.3–8.7 μm; and growth on needles and bark of Pinus. The two new species are described and illustrated in this study.https://mycokeys.pensoft.net/article/152160/download/pdf/
spellingShingle Jia-Hui Dong
Xin Zhang
Qian-Xin Guan
Fang Wu
Morphological characteristics and phylogenetic analysis reveal Helvellosebacina filicata sp. nov. and Sebacina aciculicola sp. nov. in Sebacinales from southwest China
MycoKeys
title Morphological characteristics and phylogenetic analysis reveal Helvellosebacina filicata sp. nov. and Sebacina aciculicola sp. nov. in Sebacinales from southwest China
title_full Morphological characteristics and phylogenetic analysis reveal Helvellosebacina filicata sp. nov. and Sebacina aciculicola sp. nov. in Sebacinales from southwest China
title_fullStr Morphological characteristics and phylogenetic analysis reveal Helvellosebacina filicata sp. nov. and Sebacina aciculicola sp. nov. in Sebacinales from southwest China
title_full_unstemmed Morphological characteristics and phylogenetic analysis reveal Helvellosebacina filicata sp. nov. and Sebacina aciculicola sp. nov. in Sebacinales from southwest China
title_short Morphological characteristics and phylogenetic analysis reveal Helvellosebacina filicata sp. nov. and Sebacina aciculicola sp. nov. in Sebacinales from southwest China
title_sort morphological characteristics and phylogenetic analysis reveal helvellosebacina filicata sp nov and sebacina aciculicola sp nov in sebacinales from southwest china
url https://mycokeys.pensoft.net/article/152160/download/pdf/
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AT xinzhang morphologicalcharacteristicsandphylogeneticanalysisrevealhelvellosebacinafilicataspnovandsebacinaaciculicolaspnovinsebacinalesfromsouthwestchina
AT qianxinguan morphologicalcharacteristicsandphylogeneticanalysisrevealhelvellosebacinafilicataspnovandsebacinaaciculicolaspnovinsebacinalesfromsouthwestchina
AT fangwu morphologicalcharacteristicsandphylogeneticanalysisrevealhelvellosebacinafilicataspnovandsebacinaaciculicolaspnovinsebacinalesfromsouthwestchina