Journal of Fungi

Research

15 pages, 1673 KiB

Open AccessArticle

Host Developmental Stage and Vegetation Type Govern Root EcM Fungal Assembly in Temperate Forests

by Dong-Xue Zhao, Yu-Lian Wei, Zi-Qi You, Zhen Bai and Hai-Sheng Yuan

J. Fungi 2025, 11(4), 307; https://doi.org/10.3390/jof11040307 - 11 Apr 2025

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Ectomycorrhizal (EcM) fungi are critical mediators of forest succession, yet the relative contributions of stochastic (neutral) and deterministic (niche-based) processes in shaping their communities are still poorly understood. We investigated the assembly processes in root EcM fungal communities across juvenile and adult coniferous [...] Read more.

Ectomycorrhizal (EcM) fungi are critical mediators of forest succession, yet the relative contributions of stochastic (neutral) and deterministic (niche-based) processes in shaping their communities are still poorly understood. We investigated the assembly processes in root EcM fungal communities across juvenile and adult coniferous (Abies nephrolepis, Picea jezoensis, and Pinus koraiensis) and broadleaf (Acer mono, Betula platyphylla, and Quercus mongolica) tree species in northeastern China. Employing neutral theory modeling, alpha and beta diversity metrics, and a random forest analysis, we identified patterns of EcM fungal community assembly and the specific taxa associated with developmental stages of various hosts. Neutral processes contributed to the variation in fungal communities, with adult trees showing a higher explanation power (more than 33% of variation) compared to juvenile trees (less than 7% of variation), reflecting a successional shift in assembly mechanisms. Dispersal dynamics was pronounced in juveniles but diminished with host age. Additionally, alpha diversity increased with host age and was slightly moderated by host identity, while beta diversity reflected stronger effects of host age (PERMANOVA R² = 0.057) than host identity (R² = 0.033). Host age and identity further structured communities, with distinct taxa varying between juvenile vs. adult, and coniferous vs. broadleaf hosts. Our results demonstrate that host maturity drives a transition from deterministic to stochastic assembly, modulated by tree species identity, improving our understanding of plant–fungal dynamics during forest succession. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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18 pages, 9302 KiB

Open AccessArticle

Species Diversity and Community Composition of Macrofungi in the Dongling Mountains, Western Beijing, China

by Jia-Mao Huang, Tai-Min Xu, Wen Zhao, Reyila Mumin, Long Zeng, Yi-Fei Sun and Bao-Kai Cui

J. Fungi 2025, 11(2), 155; https://doi.org/10.3390/jof11020155 - 18 Feb 2025

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Abstract

Macrofungi are a group of fungi with important ecological functions and economic value in forest ecosystems. In this study, the species diversity and community composition of macrofungi in different areas, vegetation types, and elevation gradients from the Lingshan Natural Scenic Area and Xiaolongmen [...] Read more.

Macrofungi are a group of fungi with important ecological functions and economic value in forest ecosystems. In this study, the species diversity and community composition of macrofungi in different areas, vegetation types, and elevation gradients from the Lingshan Natural Scenic Area and Xiaolongmen National Forest Park of the Dongling Mountains, Western Beijing were investigated. A total of 1379 specimens were collected. All specimens were identified by morphological and molecular methods, resulting in the identification of 311 species belonging to two phyla, four classes, 18 orders, 74 families, and 147 genera. The alpha diversity analysis indicated that the alpha diversity was significantly different among different vegetation types. The Betula spp. and Populus davidiana of the Lingshan Natural Scenic Area, and Quercus liaotungensis of Xiaolongmen National Forest Park had higher macrofungal alpha diversity. The difference in alpha diversity between the two areas was not significant. The principal coordinate analysis indicated a significant difference in macrofungal community composition among different vegetation types. The fungal community composition of the two areas was also significantly different. The fungal species richness and unique species tended to increase and then decrease with increasing elevation. The species composition of neighboring elevation gradients was more similar. The macrofungal species richness and the number of unique species were not significantly affected by elevation gradient. The vegetation types with higher fungal alpha diversity in the Dongling Mountains were Betula spp., Populus davidiana, and Quercus liaotungensis, and there were abundant fungal species in deciduous broad-leaved mixed forests. Macrofungal diversity and community composition was significantly affected by vegetation type. To better protect the macrofungi, the protection of these four vegetation types in the Dongling Mountains should be strengthened in the future. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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19 pages, 2268 KiB

Open AccessArticle

Foliar Fungal Endophyte Communities of Scottish Plantation Pines

by Amanda L. Jones, Joanne E. Taylor and Richard A. Ennos

J. Fungi 2025, 11(2), 148; https://doi.org/10.3390/jof11020148 - 14 Feb 2025

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Abstract

The diversity of foliar fungal endophyte communities was examined in three economically and ecologically important pine species in Scotland: Scots pine, Corsican pine and lodgepole pine. Two plantation sites comprising all three species were selected in climatically contrasting parts of Scotland and were [...] Read more.

The diversity of foliar fungal endophyte communities was examined in three economically and ecologically important pine species in Scotland: Scots pine, Corsican pine and lodgepole pine. Two plantation sites comprising all three species were selected in climatically contrasting parts of Scotland and were sampled in late spring by collecting healthy needles from two age classes. Surface sterilisation was carried out before obtaining cultures of fungal isolates, and representatives of common sterile morphotypes were sequenced to determine taxonomic placement. Overall relative proportions of the dominant taxa across sites, tree species and needle age classes were as follows: Anthostomella spp. (52%), Lophodermium seditiosum (17%) and Desmazierella acicola (7%). Many other less frequent taxa were recovered. The results agreed with previous endophyte studies in that the combined effects of site and tree species produced unique endophytic fungal assemblages. Phylogenetic analyses revealed potential sub-species variation associated with site in Anthostomella pinea. Our findings point to the potential naturalisation of European fungal endophytic species (e.g., Anthostomella spp.) in Scottish pine plantations, particularly in association with Corsican pine. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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34 pages, 2874 KiB

Open AccessArticle

Annotated Checklist of Poroid Hymenochaetoid Fungi in Central Asia: Taxonomic Diversity, Ecological Roles, and Potential Distribution Patterns

by Yusufjon Gafforov, Manzura Yarasheva, Xue-Wei Wang, Milena Rašeta, Yelena Rakhimova, Lyazzat Kyzmetova, Kanaim Bavlankulova, Sylvie Rapior, Jia-Jia Chen, Ewald Langer, Burkhon Munnavarov, Zafar Aslonov, Bobozoda Bakokhoja and Li-Wei Zhou

J. Fungi 2025, 11(1), 37; https://doi.org/10.3390/jof11010037 - 5 Jan 2025

Cited by 4 | Viewed by 1087

Abstract

Central Asia, located at the heart of Eurasia, is renowned for its varied climate and vertical vegetative distribution, which support diverse biomes and position it as a global biodiversity hotspot. Despite this ecological richness, Central Asia’s fungal diversity, particularly wood-inhabiting macrofungi, remains largely [...] Read more.

Central Asia, located at the heart of Eurasia, is renowned for its varied climate and vertical vegetative distribution, which support diverse biomes and position it as a global biodiversity hotspot. Despite this ecological richness, Central Asia’s fungal diversity, particularly wood-inhabiting macrofungi, remains largely unexplored. This study investigates the diversity, ecological roles, and potential distribution of poroid Hymenochaetoid fungi in the region. By conducting field surveys, collecting basidiomes, and reviewing the literature and herbarium records from five Central Asian countries, we compiled a comprehensive checklist of these fungi. In total, 43 Hymenochaetoid species belonging to 18 genera were identified, with Inonotus, Phellinus, and Phylloporia being the most species-rich. Notably, Inonotus hispidus and Phellinus igniarius were found to be the most widespread species. These macrofungi play essential ecological roles as saprotrophs and pathogens of various identified host plant families, aiding in lignin degradation and exhibiting diverse enzymatic activities. For the first time, we modelled the potential distribution patterns of Hymenochaetoid fungi in Central Asia, revealing that their distribution is strongly influenced by host plant availability and temperature-related factors. The three most critical variables were host plant density, annual temperature range (Bio7), and mean temperature of the warmest quarter (Bio10). The distribution of suitable habitats is uneven, with highly suitable areas (4.52%) concentrated in the mountainous border regions between Kazakhstan, Kyrgyzstan, Tajikistan, and Uzbekistan. These results underscore the significance of specific environmental conditions for the growth and survival of Hymenochaetoid fungi in this region. Our findings highlight the urgent need for continued mycological and host plant research and expanded conservation initiatives to document and preserve macrofungal and botanical biodiversity in this under-explored area. In light of climate change, the collected mycological and botanical data provide a valuable reference for promoting forest health management globally. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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18 pages, 15957 KiB

Open AccessArticle

Pseudophylloporus Gen. nov. and Rubroleccinum Gen. nov., Two New Genera Revealed by Morphological and Phylogenetic Evidences in the Family Boletaceae from Subtropical China

by Hua-Zhi Qin, Yi Wang, Wen-Fei Lin, Hui Zeng, Li-Gui Hu, Bin-Rong Ke, Zhi-Heng Zeng, Zhi-Qun Liang and Nian-Kai Zeng

J. Fungi 2024, 10(12), 817; https://doi.org/10.3390/jof10120817 - 25 Nov 2024

Cited by 1 | Viewed by 1097

Abstract

Boletaceae, the largest and most diverse family of Boletales (Agaricomycetes and Basidiomycota), is both ecologically and economically important. Although many taxa have been described in China, the diversity of the family still remains incompletely understood. In the present study, Pseudophylloporus baishanzuensis gen. nov., [...] Read more.

Boletaceae, the largest and most diverse family of Boletales (Agaricomycetes and Basidiomycota), is both ecologically and economically important. Although many taxa have been described in China, the diversity of the family still remains incompletely understood. In the present study, Pseudophylloporus baishanzuensis gen. nov., sp. nov. and Rubroleccinum latisporus gen. nov., sp. nov. are proposed based on morphological and molecular phylogenetic analyses. These findings contribute to a deeper understanding of the diversity within the Boletaceae family. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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13 pages, 7367 KiB

Open AccessArticle

A New Genus Neotricholomopsis Gen. Nov and Description of Neotricholomopsis globispora Sp. Nov. (Phyllotopsidaceae, Agaricales) from Northwestern China Based on Phylogeny, Morphology, and Divergence Time

by Longfei Fan, Biyue Wang, Xue Zhong, Hongmin Zhou, Shunyi Yang and Xiaohong Ji

J. Fungi 2024, 10(11), 784; https://doi.org/10.3390/jof10110784 - 13 Nov 2024

Viewed by 1064

Abstract

While investigating macrofungi diversity in Gansu province, northwestern China, five fresh and fleshy specimens were collected, which are characterized by nearly white to buff hemispherical pileus with waved margins, a disc depressed with coral to brownish red fibrillose scales, adnate to sub-decurrent lamellae [...] Read more.

While investigating macrofungi diversity in Gansu province, northwestern China, five fresh and fleshy specimens were collected, which are characterized by nearly white to buff hemispherical pileus with waved margins, a disc depressed with coral to brownish red fibrillose scales, adnate to sub-decurrent lamellae with four relatively regular rows of lamellulae, a stipe that is central, hollow, frequently straight to curved; basidiospores that are globose to subglobose, 5.0–6.0 × (3.5−) 4.0–5.0 (−5.5) μm, narrowly clavate cheilocystidia predominantly, pleurocystidia and caulocystidia not observed; and a cutis pileipellis, with hyphae slightly inflated in the KOH. The results of phylogeny analysis indicated that the species forms an independent lineage in Phyllotopsidaceae based on the ITS (ITS5/ITS4) and nLSU (LR0R/LR7) dataset. Molecular clock analyses suggested the common ancestor of Neotricholomopsis emerged later than upper Cretaceous with a mean crown age of 229.36 Mya (95% highest posterior density of 129.63–343.08 Mya). These five specimens were described as an unreported taxon based on the phylogeny analysis combined with morphological examination and ecological and geographical distribution. Detailed descriptions, illustrations, and phylogenetic trees to demonstrate the placement of this species and discussions with its related species are provided. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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15 pages, 5113 KiB

Open AccessArticle

Stratocorticium sinensis gen. et sp. nov. and Cericium gloeocystidiatum sp. nov. (Cyphellaceae, Agaricales) from East Asia

by Yu-Peng Zhang, Yue Li, Karen K. Nakasone and Shuang-Hui He

J. Fungi 2024, 10(10), 722; https://doi.org/10.3390/jof10100722 - 17 Oct 2024

Cited by 1 | Viewed by 989

Abstract

Cyphellaceae, a small and under-studied family of Agaricales, includes mostly saprophytic taxa with varied basidiomes. In this study, we focus on wood-decay species with corticioid or stereoid basidiomes. Phylogenetic analyses of concatenated ITS-nrLSU sequences uncovered seven generic lineages of [...] Read more.

Cyphellaceae, a small and under-studied family of Agaricales, includes mostly saprophytic taxa with varied basidiomes. In this study, we focus on wood-decay species with corticioid or stereoid basidiomes. Phylogenetic analyses of concatenated ITS-nrLSU sequences uncovered seven generic lineages of corticioid or stereoid fungi—Acanthocorticium, Cericium, Chondrostereum, Cunninghammyces, Gloeostereum, Granulobasidium, and Stratocorticium gen. nov. The genus Cericium is shown to be in the Cyphellaceae family, and two new species, Cericium gloeocystidiatum and Stratocorticium sinensis, are described from East Asia. Morphologically, Ce. gloeocystidiatum is characterized by resupinate basidiomes with smooth hymenophores, a dimitic hyphal system with clamped generative hyphae and micro-binding hyphae, cystidia with resinous-like or golden yellow contents, and ellipsoid basidiospores. Stratocorticium is monotypic, differing from Cericium by a trimitic hyphal system of clamped generative, micro-binding, and brown, thick-walled skeletal-like hyphae, clavate to cylindrical cystidia with homogenous, colorless contents, and hyphidia. Descriptions and illustrations are provided for the new taxa and Cericium luteoincrustatum, and a key to corticioid or stereoid genera in Cyphellaceae is included. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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15 pages, 2833 KiB

Open AccessArticle

Morphological and Phylogenetic Analyses Reveal Dictyostelids (Cellular Slime Molds) Colonizing the Ascocarp of Morchella

by Wen-Shu Hu, Lin-Lin Jiang, Pu Liu, Xiao-Yan Zhang, Wei Wei and Xi-Hui Du

J. Fungi 2024, 10(10), 678; https://doi.org/10.3390/jof10100678 - 28 Sep 2024

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Abstract

Morchella spp. (true morels) are precious edible mushrooms consumed around the world, with a delicious taste, rich nutritional value, and unique healthcare effects. Various fungi and bacteria have been reported to colonize the ascocarps of Morchella, damaging their fruiting bodies and leading [...] Read more.

Morchella spp. (true morels) are precious edible mushrooms consumed around the world, with a delicious taste, rich nutritional value, and unique healthcare effects. Various fungi and bacteria have been reported to colonize the ascocarps of Morchella, damaging their fruiting bodies and leading to serious economic losses in cultivation. The species identification of these colonizing organisms is crucial for understanding their colonization mechanisms on morels. Slime molds, which have characteristics of both “fungi” and “animals”, can occasionally colonize crops and edible fungi. However, there have been no reports of dictyostelid cellular slime molds (dictyostelids) colonizing plants and fungi to date. In this study, we discovered that dictyostelids colonized the surface of one wild ascoma of Morchella in the forest of Chongqing, China, with the tissues being black and rotten. Macro- and micro-morphological observations, along with molecular phylogenetic analyses, identified the specimens investigated in this study as Dictyostelium implicatum and Morchella sp. Mel-21. The results provide new knowledge of dictyostelid colonization on organisms and contribute to the diversity of species colonizing true morels. Moreover, this is also the first report of dictyostelids distributed in Chongqing, China. This study enhances our insights into the life history and potential ecological significance of dictyostelids and updates their distribution area in China. Further research will be conducted to uncover the mechanisms behind the colonization observed in this study. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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27 pages, 87036 KiB

Open AccessArticle

Five New Species of Wood-Decaying Brown-Rot Fungi within Postiaceae (Polyporales, Basidiomycota) from Xinjiang, Northwest China

by Tai-Min Xu, Dong-Mei Wu, Neng Gao, Long Zeng, Yi-Hua Xu, Xiang-Ping Fan, Yi-Fei Sun and Bao-Kai Cui

J. Fungi 2024, 10(9), 655; https://doi.org/10.3390/jof10090655 - 17 Sep 2024

Viewed by 1350

Abstract

Brown-rot fungi are an important group of wood-decaying fungi, but there has been limited research on the species diversity of brown-rot fungi in Xinjiang, China. During an investigation of brown-rot fungi in Xinjiang, from July 2018 to July 2023, five new species belonging [...] Read more.

Brown-rot fungi are an important group of wood-decaying fungi, but there has been limited research on the species diversity of brown-rot fungi in Xinjiang, China. During an investigation of brown-rot fungi in Xinjiang, from July 2018 to July 2023, five new species belonging to the family Postiaceae were discovered based on morphological and molecular evidence. Amaropostia altaiensis is characterized by a conchate pileus, circular pores (5–8 per mm), and growing on Populus. Amaropostia tianshanensis is characterized by a flabelliform-to-conchate pileus, angular pores (5–6 per mm), and growing on Picfea. Cyanosporus latisporus is characterized by a hirsute and dark greyish blue pileal surface with fresh, larger pores (3–6 per mm) and broad basidiospores (4.3–5.9 × 1.4–2 µm). Cyanosporus tianshanensis is characterized by a smooth and white-to-cream pileal surface with fresh, smaller pores (6–9 per mm). Osteina altaiensis is characterized by a light mouse-grey-to-honey-yellow pileal surface, smaller pores (4–6 per mm), and slightly wide basidiospores (5–6 × 1.7–2.2 µm). Each of these five new species form independent lineages in phylogenetic analyses based on the seven gene loci (ITS + nLSU + nSSU + mtSSU + TEF1 + RPB1 + RPB2). This research enriches the diversity of brown-rot fungi species, while also demonstrating the substantial discovery potential and research value of brown-rot fungi in Xinjiang. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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20 pages, 11344 KiB

Open AccessArticle

Morphological and Phylogenetic Analyses Reveal Three Novel Species of Sanguinoderma (Ganodermataceae, Basidiomycota) from Yunnan Province, China

by Kai-Yang Niu, Jun He, Song-Ming Tang, Xi-Jun Su and Zong-Long Luo

J. Fungi 2024, 10(8), 589; https://doi.org/10.3390/jof10080589 - 19 Aug 2024

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Abstract

Sanguinoderma (Ganodermataceae) is recognized as a valuable medicinal resource in Taiwan, China. Additionally, it serves as a traditional folk medicine for treating neurotic epilepsy in Malaysia. This study involved the collection of six specimens of Sanguinoderma from Yunnan Province, China. Employing [...] Read more.

Sanguinoderma (Ganodermataceae) is recognized as a valuable medicinal resource in Taiwan, China. Additionally, it serves as a traditional folk medicine for treating neurotic epilepsy in Malaysia. This study involved the collection of six specimens of Sanguinoderma from Yunnan Province, China. Employing multigene phylogenetic analysis of DNA sequences, including internal transcribed spacer (ITS), nuclear large subunit (LSU), RNA polymerase II second largest subunit (rpb2), translation elongation factor 1-alpha (tef1-α), mitochondrial small subunit (mtSSU), nuclear small subunit (nSSU) and morphological examinations, three new species, viz. Sanguinoderma concentricum, S. dehongense and S. ovisporum, are introduced. Sanguinoderma concentricum is characterized by a central stipe basidiomata, an orbicular to suborbicular pileus, a grayish-yellow surface with alternating concentric zones and wavy margin-like petals and regular pileipellis cells (4–8 × 17–28 μm). Sanguinoderma dehongense is characterized by a long stipe and flabelliform basidiomata, a dark-grayish yellow-to-dark-yellow pileus surface, irregular pileipellis cells and wavy margin and ellipsoid basidia (8–11 × 9–13 μm). Sanguinoderma ovisporum is characterized by a reniform basidiomata, a heterogeneous context and ovoid basidiospores (7.5–8.6 × 5.5–7.2 µm). A detailed description and illustrations of these new species are provided, as well as a morphological comparison with similar taxa. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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20 pages, 9468 KiB

Open AccessArticle

A Taxonomic Study of Candolleomyces Specimens from China Revealed Seven New Species

by Xi-Xi Han, Dorji Phurbu, Guo-Fei Ma, You-Zhi Li, Yu-Jiao Mei, Dong-Mei Liu, Fu-Cheng Lin, Rui-Lin Zhao, Naritsada Thongklang and Bin Cao

J. Fungi 2024, 10(7), 499; https://doi.org/10.3390/jof10070499 - 19 Jul 2024

Cited by 4 | Viewed by 2000

Abstract

Based on phylogenetic analysis, Candolleomyces (Psathyrellaceae, Agaricales) was established with Psathyrella candolleana as the type species. The basidiomes range from small to large and are typically terrestrial, lignicolous, and rarely fimicolous. We analysed the Candolleomyces species collected during five years in China, and [...] Read more.

Based on phylogenetic analysis, Candolleomyces (Psathyrellaceae, Agaricales) was established with Psathyrella candolleana as the type species. The basidiomes range from small to large and are typically terrestrial, lignicolous, and rarely fimicolous. We analysed the Candolleomyces species collected during five years in China, and based on morphological and molecular data (nrITS, nrLSU, and tef-1α), we propose seven new Candolleomyces species viz. C. brevisporus, C. gyirongicus, C. lignicola, C. luridus, C. shennongdingicus, C. shennongjianus, and C. sichuanicus. Full descriptions, colour photographs, illustrations, phylogenetic analyses results, and comparisons with related Candolleomyces species of the new taxa are provided. This study enriches the species diversity of Candolleomyces in China. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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20 pages, 7551 KiB

Open AccessArticle

Four New Species of Jelly Fungi from Northeastern China

by Xia Wang and Tolgor Bau

J. Fungi 2024, 10(7), 480; https://doi.org/10.3390/jof10070480 - 12 Jul 2024

Cited by 1 | Viewed by 1749

Abstract

Four new species of jelly fungi were described from northeastern China based on morphological and molecular evidence. These new species were classified into the four genera Sirobasidium (Sirobasidium jilinense), Calocera (Calocera velutina), Dacrymyces (Dacrymyces jauensis), and Dacryopinax [...] Read more.

Four new species of jelly fungi were described from northeastern China based on morphological and molecular evidence. These new species were classified into the four genera Sirobasidium (Sirobasidium jilinense), Calocera (Calocera velutina), Dacrymyces (Dacrymyces jauensis), and Dacryopinax (Dacryopinax manghanensis). Maximum likelihood and Bayesian analyses were performed using a combined nuc rDNA internal transcribed spacer region (ITS) and nuc 28S rDNA (nrLSU) dataset for the construction of phylogenetic trees. Morphological descriptions, line illustrations, and the ecological habits of these new species are provided. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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15 pages, 4179 KiB

Open AccessArticle

Three New Species of Tuber Discovered in Alpine Fir Forests in Yunnan, China

by Lin Li, Shanping Wan, Yun Wang, Naritsada Thongklang, Mei Yang, Chengyi Liu, Zonglong Luo and Shuhong Li

J. Fungi 2024, 10(7), 453; https://doi.org/10.3390/jof10070453 - 27 Jun 2024

Cited by 1 | Viewed by 1248

Abstract

Three new species of Tuber, T. albicavum, T. laojunshanense, and T. umbilicicavatum belonging to the Puberulum phylogroup, are described based on specimens collected in alpine Abies forests at 3600–4000 m, Northwest Yunnan, China. T. albicavum is distinguished by its ascomata [...] Read more.

Three new species of Tuber, T. albicavum, T. laojunshanense, and T. umbilicicavatum belonging to the Puberulum phylogroup, are described based on specimens collected in alpine Abies forests at 3600–4000 m, Northwest Yunnan, China. T. albicavum is distinguished by its ascomata with a single chamber of 0.5–1.8 cm diameter, with an apical opening of 0.2–0.6 cm in diameter, and light golden-brown alveolate reticulate ascospores up to 30 μm in length; T. laojunshanense is characterized by having ascomata with a slightly tomentose surface, sometimes with a white navel, a relatively thick peridium, up to 280 µm, and yellow-brown spores with alveolate reticulate ornamentation, up to 34 µm in length; T. umbilicicavatum is characterized by smooth ascomata with a distinct white navel, a relatively thin peridium, up to 110 µm, and golden or golden-brown alveolate reticulate ascospores, up to 40 μm in length. The molecular analysis of the internal transcribed spacer region also supports that these three new species differ from previously described Tuber species. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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28 pages, 19614 KiB

Open AccessArticle

Four New Species of Tomentella (Thelephorales, Basidiomycota) from Subtropical Forests in Southwestern China

by Ya-Quan Zhu, Xue-Long Li, Dong-Xue Zhao, Yu-Lian Wei and Hai-Sheng Yuan

J. Fungi 2024, 10(7), 440; https://doi.org/10.3390/jof10070440 - 21 Jun 2024

Cited by 3 | Viewed by 1638

Abstract

Species of the basidiomycetous genus Tomentella are widely distributed throughout temperate forests. Numerous studies on the taxonomy and phylogeny of Tomentella have been conducted from the temperate zone in the Northern hemisphere, but few have been from subtropical forests. In this study, four [...] Read more.

Species of the basidiomycetous genus Tomentella are widely distributed throughout temperate forests. Numerous studies on the taxonomy and phylogeny of Tomentella have been conducted from the temperate zone in the Northern hemisphere, but few have been from subtropical forests. In this study, four new species, T. casiae, T. guiyangensis, T. olivaceomarginata and T. rotundata from the subtropical mixed forests of Southwestern China, are described and illustrated based on morphological characteristics and phylogenetic analyses of the internal transcribed spacer regions (ITS) and the large subunit of the nuclear ribosomal RNA gene (LSU). Molecular analyses using Maximum Likelihood and Bayesian analysis confirmed the phylogenetic positions of these four new species. Anatomical comparisons among the closely related species in phylogenetic and morphological features are discussed. Four new species could be distinguished by the characteristics of basidiocarps, the color of the hymenophoral surface, the size of the basidia, the shape of the basidiospores and some other features. Full article

(This article belongs to the Special Issue Diversity, Phylogeny and Ecology of Forest Fungi)

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