Four new species of Collybiopsis (Omphalotaceae, Agaricales) from subtropical regions of China
Four new species of Collybiopsis, namely C. subpolygramma, C. fucata, C. dentata, and C. latispora, were discovered in the subtropical regions of China. These species were identified based on morphological characteristics and molecular analysis. Morphologically, C. subpolygramma is characterized by...
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Pensoft Publishers
2025-06-01
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| Series: | MycoKeys |
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| author | Ling Ding Ben-Jian Zhong Hui Zeng Sheng-Nan Wang Jun-Qing Yan |
| author_facet | Ling Ding Ben-Jian Zhong Hui Zeng Sheng-Nan Wang Jun-Qing Yan |
| author_sort | Ling Ding |
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| description | Four new species of Collybiopsis, namely C. subpolygramma, C. fucata, C. dentata, and C. latispora, were discovered in the subtropical regions of China. These species were identified based on morphological characteristics and molecular analysis. Morphologically, C. subpolygramma is characterized by its pileal surface, white in color with a light brown center; slender, cylindrical cheilocystidia; and absence of pleurocystidia. C. fucata is recognized by the reddish-brown, hygrophanous pileus; adnate to adnexed lamellae; and relatively broad basidiospores. C. dentata is identified by free lamellae, fusiform to utriform pleurocystidia, and relatively broad basidiospores. C. latispora is distinct by relatively broad basidiospores and a minute, snow-white ring or ruff at the stipe base. In the phylogenetic analysis based on combined ITS and LSU sequences, the four new species formed distinct and stable branches (BI-PP = 1; ML-BP = 100%), respectively. Collybiopsis subpolygramma formed a sister lineage with C. polygramma. The new species C. fucata, C. dentata, and C. latispora were found to be nested within the C. ramealis species complex clade. Detailed descriptions, color photos, and a key to related species are presented. |
| format | Article |
| id | doaj-art-7eab9f80a02d4fce83c7c082c04e9a7a |
| institution | Kabale University |
| issn | 1314-4049 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | Pensoft Publishers |
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| spelling | doaj-art-7eab9f80a02d4fce83c7c082c04e9a7a2025-08-20T03:47:02ZengPensoft PublishersMycoKeys1314-40492025-06-0111828931110.3897/mycokeys.118.155560155560Four new species of Collybiopsis (Omphalotaceae, Agaricales) from subtropical regions of ChinaLing Ding0Ben-Jian Zhong1Hui Zeng2Sheng-Nan Wang3Jun-Qing Yan4Jiangxi Agricultural UniversityJiangxi Agricultural UniversityFujian Academy of Agricutural SciencesJiangxi Agricultural UniversityJiangxi Agricultural UniversityFour new species of Collybiopsis, namely C. subpolygramma, C. fucata, C. dentata, and C. latispora, were discovered in the subtropical regions of China. These species were identified based on morphological characteristics and molecular analysis. Morphologically, C. subpolygramma is characterized by its pileal surface, white in color with a light brown center; slender, cylindrical cheilocystidia; and absence of pleurocystidia. C. fucata is recognized by the reddish-brown, hygrophanous pileus; adnate to adnexed lamellae; and relatively broad basidiospores. C. dentata is identified by free lamellae, fusiform to utriform pleurocystidia, and relatively broad basidiospores. C. latispora is distinct by relatively broad basidiospores and a minute, snow-white ring or ruff at the stipe base. In the phylogenetic analysis based on combined ITS and LSU sequences, the four new species formed distinct and stable branches (BI-PP = 1; ML-BP = 100%), respectively. Collybiopsis subpolygramma formed a sister lineage with C. polygramma. The new species C. fucata, C. dentata, and C. latispora were found to be nested within the C. ramealis species complex clade. Detailed descriptions, color photos, and a key to related species are presented.https://mycokeys.pensoft.net/article/155560/download/pdf/ |
| spellingShingle | Ling Ding Ben-Jian Zhong Hui Zeng Sheng-Nan Wang Jun-Qing Yan Four new species of Collybiopsis (Omphalotaceae, Agaricales) from subtropical regions of China MycoKeys |
| title | Four new species of Collybiopsis (Omphalotaceae, Agaricales) from subtropical regions of China |
| title_full | Four new species of Collybiopsis (Omphalotaceae, Agaricales) from subtropical regions of China |
| title_fullStr | Four new species of Collybiopsis (Omphalotaceae, Agaricales) from subtropical regions of China |
| title_full_unstemmed | Four new species of Collybiopsis (Omphalotaceae, Agaricales) from subtropical regions of China |
| title_short | Four new species of Collybiopsis (Omphalotaceae, Agaricales) from subtropical regions of China |
| title_sort | four new species of collybiopsis omphalotaceae agaricales from subtropical regions of china |
| url | https://mycokeys.pensoft.net/article/155560/download/pdf/ |
| work_keys_str_mv | AT lingding fournewspeciesofcollybiopsisomphalotaceaeagaricalesfromsubtropicalregionsofchina AT benjianzhong fournewspeciesofcollybiopsisomphalotaceaeagaricalesfromsubtropicalregionsofchina AT huizeng fournewspeciesofcollybiopsisomphalotaceaeagaricalesfromsubtropicalregionsofchina AT shengnanwang fournewspeciesofcollybiopsisomphalotaceaeagaricalesfromsubtropicalregionsofchina AT junqingyan fournewspeciesofcollybiopsisomphalotaceaeagaricalesfromsubtropicalregionsofchina |