Bart Buyck

Muséum National d'Histoire Naturelle · Institut Systématique Evolution Biodiversité (ISYEB-UMR7205) Sorbonne Université

With the simultaneous growth in interest from the mycological community to discover fungal species and classify them, there is also an important need to assemble all taxonomic information onto common platforms. Fungal classification is facing a rapidly evolving landscape and organizing genera into an appropriate taxonomic hierarchy is central to be...

Russula subsection Radicantinae is described for R. radicans and allies, while subsection Aureotactinae is again restricted to R. aureotacta, the subsectional type species that has never been recollected since its original description. Russula radicans, originally described from Madagascar, as well as the Central African R. brunneoannulata, are epi...

Background Evolutionary radiation is widely recognized as a mode of species diversification, but the drivers of the rapid diversification of fungi remain largely unknown. Here, we used Amanitaceae, one of the most diverse families of macro-fungi, to investigate the mechanism underlying its diversification. Results The ancestral state of the nutrit...

The present contribution discusses species of Russula subsection Roseinae Singer ex Sarnari from the southern hemisphere. Russula incrustata Buyck, sp. nov. and R. koniamboensis Buyck, sp. nov. are described from New Caledonia, R. purpureotincta R.F.R. McNabb from New Zealand is redescribed based on new collections and two sequestrate species, R. a...

Sour rot in grapevines is thought to result from berry infection by yeasts, acetic acid bacteria and vinegar flies. Our results confirm previous studies having shown that sour rot supersedes grey mould when both diseases are present in a vineyard, but also indicate that the two diseases can cohabit at an advanced stage of grape decay. To better cha...

Large tropical trees are rightly perceived as supporting a plethora of organisms. However, baseline data about the variety of taxa coexisting on single large tropical trees are lacking and prevent a full understanding of both the magnitude of biodiversity and the complexity of interactions among organisms in tropical rainforests. The two main aims...

The global diversity of fungi has been estimated between 2 to 11 million species, of which only about 155 000 have been named. Most fungi are invisible to the unaided eye, but they represent a major component of biodiversity on our planet, and play essential ecological roles, supporting life as we know it. Although approximately 20 000 fungal gener...

The application of DNA data on a worldwide sampling has revolutionized the infrageneric classification of the highly diverse ectomycorrhizal genus Russula. Based on collections made in New Zealand, East Asia and North America, this study describes a new subgenus Cremeo-ochraceae, the ninth subgenus of Russula. Even though BLASTn of the ITS sequence...

Xerampelinae is a subsection composed of species of ectomycorrhizal fungi belonging to the hyperdiverse and cosmopolitan genus Russula (Russulales). Species of Xerampelinae are recognized by their fishy or shrimp odor, browning context, and a green reaction to iron sulfate. However, species delimitation has traditionally relied on morphology and an...

Sur la base de nombreuses récoltes effectuées en France, les auteurs illustrent Russula marxmuel-leriana, très récemment décrite. Abstract On the basis of numerous collections carried out in France, the authors illustrate the very recently described Russula marxmuelleriana.

The Global Consortium for the Classification of Fungi and fungus-like taxa is an international initiative of more than 550 mycologists to develop an electronic structure for the classification of these organisms. The members of the Consortium originate from 55 countries/regions worldwide, from a wide range of disciplines, and include senior, mid-ca...

The Global Consortium for the Classification of Fungi and fungus-like taxa is an international initiative of more than 550 mycologists to develop an electronic structure for the classification of these organisms. The members of the Consortium originate from 55 countries/regions worldwide, from a wide range of disciplines, and include senior, mid-ca...

The present contribution presents species of Russula subsect. Roseinae Sarnari from the southern hemisphere. Russula incrustata Buyck, sp. nov. and R. koniamboensis Buyck, sp. nov. are described from New Caledonia, R. purpureotincta R. F. R. McNabb from New Zealand is redescribed in detail and two secotioid species, R. albobrunnea T. Lebel from Aus...

The application of DNA data on a worldwide sampling has revolutionized the infrageneric classification of the highly diverse ectomycorrhizal genus Russula. Based on collections made in New Zealand, East Asia and North America, this study describes the new subgenus Cremeoochraceae, the ninth subgenus in Russula. Even though BLASTn of the ITS sequenc...

Three novel species collected from Dinghushan Biosphere Reserve (DHSBR) in southern China, Russula cylindrica Y.Song sp. nov. and R. lacteocarpa Y.Song sp. nov. in subgenus Archaeae and R. reticulofolia Y.Song sp. nov. in subg. Compactae, are described based on morphological and molecular data. In addition, Russula leucobrunnea Y.Song nom. nov. is...

Trois nouvelles espèces du genre Russula Pers. provenant de forêts dominées par le Sal en Inde tropicale, décrites d'après la morphotaxonomie et l'analyse phylogénétique multigénique. Depuis 2013, des expéditions macrofongiques de routine ont été menées dans plusieurs zones forestières dominées par Shorea robusta C.F.Gaertn. dans l'est tropical de...

Two novel species of Russula (Russulaceae, Russulales), namely Russula indosenecis A.Ghosh, D.Chakr., K.Das & Buyck sp. nov. and R. pseudosenecis A.Ghosh, D.Chakr., K.Das & Buyck sp. nov. belonging to sect. Ingratae subg. Heterophyllidiae are proposed herein based on their morphological features and nrITS-based phylogenetic inferences. Both species...

The biogeography of neotropical fungi remains poorly understood. Here, we reconstruct the origins and diversification of neotropical lineages in one of the largest clades of ectomycorrhizal fungi in the globally widespread family Russulaceae. We inferred a supertree of 3285 operational taxonomic units, representing worldwide internal transcribed sp...

Species of Craterellus (Hydnaceae, Cantharellales) in China are investigated on the basis of morphological and molecular phylogenetic analyses of DNA sequences from nuc 28S rDNA D1-D2 domains (28S) and nuc rDNA internal transcribed spacer ITS1-5.8S-ITS2 region. Five species are recognized in China, of which three of them are described as new, viz....

Species of Cantharellus subgenus Cantharellus are interesting and important for their mycorrhizal properties, medicinal values, and edibility. In China, there are many undescribed species of the subgenus. In this study, four new species of subg. Cantharellus, viz. Cantharellus albopileatus, Cantharellus chuiweifanii, Cantharellus pinetorus, and Can...

Fungi play vital roles in ecosystems as endophytes, pathogens and saprobes. The current estimate of fungal diversity is highly uncertain, ranging from 1.5 to 12 million, but only around 150,000 species have been named and classified to date. Since the introduction of DNA based methods for species identification, the number of newly described taxa h...

In this new series of Fungal Biodiversity Profiles, the authors provide descriptions for ten new taxa: Ilytheomyces uncinatus W. Rossi & M. Leonardi, sp. n ov. (Ascomycota, Laboulbeniales) and several B asidiomycota: in family Entolomataceae for E ntoloma aurantioalpinum Armada, Vila, Bellanger, N oordel., Krisai & Dima, sp. n ov. and E. nigroflave...

In this new series of Fungal Biodiversity Profiles, the authors provide descriptions for ten new taxa: Ilytheomyces uncinatus W. Rossi & M. Leonardi, sp. nov. (Ascomycota, Laboulbeniales) and several Basidiomycota: in family Entolomataceae for Entoloma aurantioalpinum Armada, Vila, Bellanger, Noordel., Krisai & Dima, sp. nov. and E. nigroflavescens...

Fungi are eukaryotes that play essential roles in ecosystems. Among fungi, Basidiomycota is one of the major phyla with more than 40,000 described species. We review species diversity of Basidiomycota from five groups with different lifestyles or habitats: saprobic in grass/forest litter, wood-decaying, yeast-like, ectomycorrhizal, and plant parasi...

Two species, namely Russula adwanitekae A.Ghosh, K.Das & Buyck sp. nov. and Russula purpureozonata K.Das, A.Ghosh & Buyck sp. nov. are proposed herein as new mushroom taxa from the Indian Himalaya based on their morphological features and ITS-based phylogenetic inferences. Both species belong to the crown clade of Russula subgenus Russula but with...

We describe the first species of Lentinula from Africa, Lentinula madagasikarensis sp. nov. The new taxon, which was collected from central Madagascar, is strikingly similar to L. edodes , the shiitake mushroom. A BLAST search using ITS sequences from L. madagasikarensis as the query retrieves a mix of Lentinula , Gymnopus , Marasmiellus , and othe...

M (2021) Three new Russula species in sect. Ingratae (Russulales, Basidiomycota) from southern China. MycoKeys 84: 103-139. https://doi. Abstract Three new species of Russula section Ingratae, found in Guizhou and Jiangsu Provinces, southern China, are proposed: R. straminella, R. subpectinatoides and R. succinea. Photographs, line drawings and det...

The genus Cantharellus, commonly known as chanterelles, has recently been divided into six subgenera; however, wider sampling approaches are needed to clarify the relationships within and between these groups. A phylogenetic overview of Cantharellus subgenus Parvocantharellus in China was inferred based on the large subunit nuclear ribosomal RNA ge...

Two novel species of Russula (Russulaceae, Russulales), R. coronaspora Y.Song sp. nov.and R. minor Y.Song sp. nov. belonging to subgenus Russula crown clade, are described based onboth morphological and phylogenetic evidence. In morphology, R. coronaspora sp. nov. is mainlycharacterized by its distinct spores ornamented with sparse, cylindrical and...

Basidiomycota constitute a major phylum of the kingdom Fungi, distributed in 4 subphyla, 18 classes, 68 orders and 241 families. Advances in molecular phylogeny over the past years have resulted in numerous changes to their classification at a rapid pace. Consequently, a vast amount of taxonomic information is available in many publications. The we...

In this new series of Fungal Biodiversity Profiles, the authors provide a description for a new species of Rachomyces Thaxt. (Ascomycota, Laboulbeniales) and several Basidiomycota: for the first time illustrated type studies for two older species of Cantharellus Adans. ex Fr. (Hydnaceae, Cantharellales), C. subcibariusCorner 1966 from Malaysia and...

In this third contribution involving new Cantharellus species from South Korea, two new species are introduced. In addition, we document a first report of the recently described Japanese Cantharellus anzutake outside of Japan based on identical ITS sequence data. Cantharellus citrinus sp. nov. is introduced as a new member of subgenus Cinnabarini,...

Russula subsection Amoeninae is morphologically defined by a dry velvety pileus surface, a complete absence of cystidia with heteromorphous contents in all tissues, and spores without amyloid suprahilar spot. Thirty-four species within subsection Amoeninae have been published worldwide. Although most Russula species in South Korea have been assigne...

The identity of blackening Russula (R. subg. Compactae) from Indian Himalaya has since long remained a mystery and they are often called after their European look‐alikes. Here, a combined approach including morphology and ITS phylogenetic inference resolved the identification of some of these taxa and revealed the discovery of two novel species. Th...

The authors discuss several African Cantharellus Adans.: Fr. species with lilac-purplish tinges on the pileus or stipe surface collected in the Central African rain forest or West African gallery forests. The morphology of C. longisporus Heinem. is discussed on the basis of new Central African collections and found profoundly different from two pre...

Species boundaries and geographic distribution of corticioid fungi (resupinate Basidiomycota) are often poorly known. Our recent study on Subulicystidium showed that species diversity in this genus is at least twice as high as previously recognized. This re-estimation of the species diversity was based on a study of only a part of the genus. The pr...

In this new series of Fungal Biodiversity Profiles, the authors describe three new Laboulbeniales (Ascomycota) based on morphology, viz. Corethromyces gibbosus W. Rossi & Santam., sp. nov., C. marshallii W. Rossi & Santam., sp. nov. and Diphymyces torresii W. Rossi & Santam., sp. nov. In Agaricomycotina (Basidiomycota), morphological features and m...

In this new series of Fungal Biodiversity Profiles, the authors describe three new Laboulbeniales (Ascomycota) based on morphology, viz. Corethromyces gibbosus W. Rossi & Santam., sp. nov., C. marshallii W. Rossi & Santam., sp. nov. and Diphymyces torresii W. Rossi & Santam., sp. nov. In Agaricomycotina (Basidiomycota), morphological features and m...

Three new species of Gyroporus, one from the southern hemisphere (Gyroporus madagascariensis sp. nov.) and two from the northern hemisphere (Gyroporus borealis sp. nov. and Gyroporus smithii sp. nov.), are described. G. madagascariensis is a brownish bolete currently known from Madagascar; it has a mottled pileus somewhat reminiscent of G. mcnabbii...

This study reports on the discovery of a new subgenus, Russula subg. Glutinosae, having an Eastern North American-East Asian distribution. A multigene phylogeny places this new subgenus sister with strong support to a well-supported clade composed of subgenera Compactae and Archaeae. It holds only two very rare, northern hemisphere species, the Nor...

The Basidiomycota constitutes a major phylum of the kingdom Fungi and is second in species numbers to the Ascomycota. The present work provides an overview of all validly published, currently used basidiomycete genera to date in a single document. An outline of all genera of Basidiomycota is provided, which includes 1928 currently used genera names...

Since 2007, the quality of Russula descriptions has improved and the use of molecular support for species delimitation and the number of published new species has increased. However, the description style is not consistent and has regional or author-specific patterns. Most recent publications still favour descriptions of spores compared to hymenium...

In Amazonia, the knowledge about Fungi remains patchy and biased towards accessible sites. This is particularly the case in French Guiana where the existing collections have been confined to few coastal localities. Here, we aimed at filling the gaps of knowledge in undersampled areas of this region, particularly focusing on the Basidiomycota. From...

The poster shows the results of our work done in 2015-2019 on clarifying the species boundaries and distribution patterns in corticioid fungi of the genus Subulicystidium (Fungi, Basidiomycota, Agaricomycetes)

In this new series of Fungal Biodiversity Profiles, the authors describe seven new Russulales: five new species of Lactarius subg. Russularia and two new Russulas: descriptions and ITS sequences are provided for L. aurantiobrunneus X.H. Wang, sp. nov., L. collybioides X.H. Wang, sp. nov., L. exilis X.H. Wang, sp. nov., L. flaviaquosus X.H. Wang, sp...

This article is the tenth series of the Fungal Diversity Notes, where 114 taxa distributed in three phyla, ten classes, 30 orders and 53 families are described and illustrated. Taxa described in the present study include one new family (viz. Pseudoberkleasmiaceae in Dothideomycetes), five new genera (Caatingomyces, Cryptoschizotrema, Neoacladium, P...

Using specimens collected from subtropical pine-fagaceous mixed forests and phylogenetic analysis of DNA sequence data of ITS, 28S rDNA, rpb2 and tef1, we describe two new species, R. maguanensis and R. substriata, in R. subg. Heterophyllidia, subsect. Substriatinae subsect. nov. Russula maguanensis and R. substriata are similar to Indian R. shingb...

Using the basic GenBank local alignment search tool program (BLAST) to identify fungi collected in a recently protected beech forest at Montricher (Switzerland), the number of ITS sequences associated to the wrong taxon name appears to be around 30%, even higher than previously estimated. Such results rely on the in-depth re-examination of BLAST re...

Voucher information for Montricher fungal collections, related ITS sequences and OTUs delimitation based on BL for 99% of similarity with BLAST top score sequence[s] and aff. for 96-98% of similarity). The taxa for which BLAST r shaded lines. Species names that appeared misidentifications after re-examination of BLAST results are in parentheses an...

Table 2. Comparison of the fungal current species names between Genbank, Mycobank, Index Fungorum and the at species rank; the last column compares available type information between Mycobank and Index Fungorum. Th BLAST results) .

Mushroom-forming fungi (Agaricomycetes) have the greatest morphological diversity and complexity of any group of fungi. They have radiated into most niches and fulfil diverse roles in the ecosystem, including wood decomposers, pathogens or mycorrhizal mutualists. Despite the importance of mushroom-forming fungi, large-scale patterns of their evolut...

Cantharellus densifolius and C. luteopunctatus are epitypified on the basis of recently collected specimens from the Central African rain forest that correspond in every way to their respective original descriptions. Sequences obtained from these new collections demonstrate that both epitypes represent distinct species that belong in different subc...

In this new series of Fungal Biodiversity Profiles, the authors describe nine species new to science, four Ascomycota, as well as one Cantharellus and four Russula (Basidiomycota). Among Ascomycota, the lichen forming Cryptothecia odishensis sp. nov. (Arthoniales) is reported from tropical forests in India, while first Indian reports are given for...

Cantharellus isabellinus is epitypified and discussed on the basis of multiple new collections from the African rain forest. These are the first collections since this species was described more than half a century ago. Phylogenetic analysis of tef-1 sequence data confirm placement of C. isabellinus in C. subg. Rubrinus sect. Isabellinus for which...

Multifurca is a small genus newly established to accommodate lactarioid and russuloid species with some characters reminiscent of corticoid members of Russulaceae. It shows an amphi-pacific distribution with strong preference for the tropical zone of the Northern Hemisphere and thus has particular significance for biogeographical study. Using world...

Chronogram and estimated divergence times of Multifurca and other representatives of fungi. The chronogram was generated from biogeographic analysis using the 28S-rpb2 data in BEAST. Ascomycota-Basidiomycota divergence time of 500–650 Ma was used calibration point. The geological time scale is in millions of years ago. (TIF)

Newly designed internal primers in this study. (DOCX)

Species and samples used for divergence time estimation of Multifurca implemented in BEAST. (DOCX)

Matrices of within-group and between-group genetic distances estimated using ITS and ITS-LSU-rpb2 sequence data. (DOCX)

Maximum Likelihood (ML) phylogram of Multifurca, Lactarius, Lactifluus and Russula generated by the 28S-rpb2 combined dataset. The tree is rooted with midpoint. ML Bootstrap proportions higher than 70% are indicated above the branches. (TIF)

Maximum Likelihood (ML) phylograms of Multifurca based on the ITS, 28S, rpb2 and ITS-28S-rpb2 combined datasets. Trees are rooted with Lactarius pubescens. Bootstrap proportions higher than 70% in the ML analysis (ML-BP) and Posterior probabilities of the Bayesian Inference (BI-PP) higher than 95% are indicated above and below the branches respecti...