Timur Bulgakov

Federal Research Centre the Subtropical Scientific Centre of the Russian Academy of Sciences · Department of Plant Protection

This monograph is the result of longstanding researches of mycobiota in Lipetsk region. The main part of the book is the annotated list of 1432 species of fungi, myxomycetes and oomycetes. Data on species distribution, their frequency, habitats,phenology, edibility etc. are given. For mycologist, ecologist, specialists in nature conservation, medic...

Leptosphaeriaceae is a family in the order Pleosporales comprising economically important plant pathogens. Species may also be endophytes or saprobes on various host plants. In recent classifications Alternariaster, Leptosphaeria, Neophaeosphaeria, Paraleptosphaeria, Heterospora, Subplenodomus and Plenodomus were included in the family. The taxonom...

The genus Lamproconium comprises species that are endophytes, saprobes and pathogens on a wide variety of plants. This genus is currently placed in Diaporthales genera incertae sedis. Fresh specimens of Lamproconium were collected in Russia and studied to provide morphological and phylogenetic data. Phylogenetic analyses of single spore isolates ge...

Dothistroma needle blight (DNB) is a serious disease of pines (Pinus spp.), with a worldwide distribution. It is caused by the ascomycete fungi Dothistroma septosporum (teleomorph: Mycosphaerella pini) and Dothistroma pini (teleomorph unknown). Recently, DNB was found on Pinus peuce in Austria, Pinus pallasiana in Ukraine and the European part of s...

Phyllosticta is a cosmopolitan group of fungi found on various host plants, occurring as pathogens, endophytes and saprobes. Diseases caused by Phyllosticta commonly include leaf and fruit spots that can affect economically important plants. The genus is characterized mainly by aseptate and hyaline conidia and ascospores. Its conidia are surrounded...

The species composition of plant pathogenic microfungi affecting trees and shrubs in the Regional Landscape Park “Donetsk Ridge” in the Donetsk People's Republic was studied as a result of many years researches (2017–2022). Totally, 206 species of plant pathogenic microfungi on 85 species of trees and shrubs from 45 genera, 27 families and 2 classe...

This article is the third in the Asian Journal of Mycology Notes series, wherein we report 50 new fungal collections distributed in two phyla, five classes, 16 orders and 35 families. The present study provides descriptions and illustrations for five new species (Acrocalymma hyaline, Allocryptovalsa aquilariae, Alternaria arida, Apoharknessia thail...

The paper continues a series of publications devoted to the new finds of fungi (Ascomycota, Basidiomycota) in Sverdlovsk Region (the Middle Urals, Russia). Totally, 75 species of macro-and microfungi reported on alien and aborigine woody plants for the first time in the region. The most numerous group are alien plant pathogenic fungi (71%) developi...

The biodiversity of wood-inhabiting fungi on woody leguminous plants (WLPs) growing in theMiddle Urals (Russia) has been studied for the first time. From 2002 to 2022, in Sverdlovsk oblast as a modelregion, 136 species of wood-inhabiting fungi were identified on WLPs: 127 species of Basidiomycota and9 species of Ascomycota. Fungi develop on 12 out...

European forests are threatened by increasing numbers of invasive pests and pathogens. Over the past century, Lecanosticta acicola, a foliar pathogen predominantly of Pinus spp., has expanded its range globally, and is increasing in impact. Lecanosticta acicola causes brown spot needle blight, resulting in premature defoliation, reduced growth, and...

Phyllosticta is a cosmopolitan group of fungi found on various host plants, occurring as pathogens, endophytes and saprobes. Diseases caused by Phyllosticta commonly include leaf and fruit spots that affect economically important plants. The genus is characterized mainly by aseptate and hyaline conidia and ascospores. However, its conidia are surro...

This article is the 14th in the Fungal Diversity Notes series, wherein we report 98 taxa distributed in two phyla, seven classes, 26 orders and 50 families which are described and illustrated. Taxa in this study were collected from Australia, Brazil, Burkina Faso, Chile, China, Cyprus, Egypt, France, French Guiana, India, Indonesia, Italy, Laos, Me...

Alternaria, a genus of ascomycetes, comprises major plant pathogens, saprobes and are common allergens to humans. There are more than 360 accepted species in the genus, which are currently divided into 29 sections. This paper aims to elaborate the taxonomy of Alternaria with multi-locus phylogenetic trees derived by analyses of a concatenated DNA s...

Phylogenetic and morphological analyses have been conducted on powdery mildew specimens on different Berberis and Mahonia spp. from Asia, Europe and North America. The present study showed that collections of Erysiphe berberidis exhibit a high degree of morphological plasticity of the sexual morph, in contrast to their morphologically, rather unifo...

Phylogenetic and morphological analyses have been conducted on powdery mildew specimens on different Berberis and Mahonia spp. from Asia, Europe and North America. The present study showed that collections of Erysiphe berberidis exhibit a high degree of morphological plasticity of the sexual morph, in contrast to their morphologically, rather unifo...

Based on the results of the authors' research and revisions of previous information, modern species diversity has been established and the first annotated list of powdery fungi on woody plants in urban habitats of Sverdlovsk Region (Ekaterinburg and several cities of the region) has been compiled. Totally, 29 species of Erysiphaceae have been recor...

Lecanosticta acicola is a pine needle pathogen causing brown spot needle blight that results in premature needle shedding with considerable damage described in North America, Europe, and Asia. Microsatellite and mating type markers were used to study the population genetics, migration history, and reproduction mode of the pathogen, based on a colle...

Recently performed phylogenetic-taxonomic analyses of species belonging to Erysiphe sect. Uncinula on willows (Salix spp.) demonstrated a much higher diversity than previously assumed. Phylogenetic analyses and morphological examinations of Chinese Erysiphe collections on Salix abscondita (= S. raddeana), S. sinica and S. taraikensis, all belonging...

The species richness and composition of macro- and microfungi on vine species in the parks of Ekaterinburg City (the Ural macroregion, Russia) located in the southern boreal vegetation subzone in a continental climate was studied. The average annual air temperature has increased by 3.1 °C since the beginning of the 20th century; therefore, the cond...

inconspicuous stromatic xylarialean taxa from China, Italy, Russia, Thailand and the United Kingdom. Detailed morphological descriptions, illustrations and combined ITS-LSU-rpb2-tub2-tef1 phylogenies revealed 39 taxa from our collections belonging to Amphisphaeriales and Xylariales. A new family (Appendicosporaceae), five new genera (Magnostiolata,...

Novel species of fungi described in this study include those from various countries as follows: Antartica, Cladosporium austrolitorale from coastal sea sand. Australia, Austroboletus yourkae on soil, Crepidotus innuopurpureus on dead wood, Curvularia stenotaphri from roots and leaves of Stenotaphrum secundatum and Thecaphora stajsicii from capsules...

Recently performed phylogenetic-taxonomic analyses of species belonging to Erysiphe sect . Uncinula on willows ( Salix spp.) demonstrated a much higher diversity than previously assumed. Phylogenetic analyses and morphological examinations of Chinese Erysiphe collections on Salix abscondita (= S. raddeana ), S. sinica and S. taraikensis , all belon...

According the research results, 63 new species of plant pathogenic microfungi developing on leaves of vascular plants were recorded in Ekaterinburg city and its suburbs (the Urals, Russia). Two species, Alternaria obtusa and Ramularia bergeniae, were firstly registered in Russia; 14 of 63 new recorded species (22.2%) could be considered as alien sp...

Xylariomycetidae ( Ascomycota ) is a highly diversified group with variable stromatic characters. Our research focused on inconspicuous stromatic xylarialean taxa from China, Italy, Russia, Thailand and the United Kingdom. Detailed morphological descriptions, illustrations and combined ITS-LSU- rpb 2- tub 2- tef 1 phylogenies revealed 38 taxa from...

Camarosporidiella specimens collected from woody plants in central Italy, eastern Ukraine, and southeastern Russia were identified based on morphology and multi-gene (LSU, SSU, ITS, and TEF) sequence analyses. Camarosporidiella caraganicola on Amorpha fruticosa , C. celtidis on Ulmus pumila , C. elaeagnicola on Cytisus ruthenicus are described with...

This article is the second in the Asian Journal of Mycology Notes series, wherein we report 50 new fungal collections distributed in two phyla, six classes, 23 orders and 38 families. The present study provides descriptions and illustrations for three new species (Acolium yunnanensis, Muyocopron cinnamomi and Thyrostroma ulmeum), 44 new host record...

An order, family and genus are validated, seven new genera, 35 new species, two new combinations, two epitypes, two lectotypes, and 17 interesting new host and / or geographical records are introduced in this study. Validated order, family and genus: Superstratomycetales and Superstratomycetaceae (based on Superstratomyces). New genera: Haudseptori...

A first annotated checklist of powdery mildews (Erysiphaceae) recorded from the Fergana Valley (within Uzbekistan) was compiled on the base of original long-term research, revisions of previously collected specimens deposited at Tashkent Mycological Herbarium of the Institute of Botany of Academy of Sciences of Uzbekistan (TASM), and earlier public...

Erysiphe adunca s. lat. is a common powdery mildew species, distributed almost worldwide, on hosts of Populus and Salix species. Based on its wide host range and distribution as well as its strong morphological variations, E. adunca s. lat. was previously divided into several species or, alternatively, into varieties. However, comprehensive phyloge...

Eutypella vitis is reported for the first time on several new host trees viz. Fagus grandifolia, Fraxinus pennsylvanica and Syringa reticulata with associated branch dieback symptoms in the Niagara Region of Southern Ontario, Canada. Morphological characteristics and phylogenetic analyses of ITS sequence data confirmed the species identification. E...

Seven new genera, 26 new species, 10 new combinations, two epitypes, one new name, and 20 interesting new host and / or geographical records are introduced in this study. New genera are: Italiofungus (based on Italiofungus phillyreae ) on leaves of Phillyrea latifolia (Italy); Neolamproconium (based on Neolamproconium silvestre ) on branch of Tilia...

The need for regular phytopathological monitoring of collections in the Donetsk Botanical Garden is due to the risk of invasions of new plant pathogens on introduced ornamental plants under conditions phytopathogens in the 21st century, as well as the annual replenishment of the collections with new plant species, varieties, cultivars. A phytopatho...

This is the twelfth contribution to the Fungal Diversity Notes series on fungal taxonomy, based on materials collected from many countries which were examined and described using the methods of morphology, anatomy, and strain culture, combined with DNA sequence analyses. 110 taxa are described and illustrated, including five new genera, 92 new spec...

Pyrenophora consists of endophytes, pathogens and saprobes that are widely distributed on various cereal crops and grass hosts. Pyrenophora trichostoma was found on Bromopsis inermis in Russia (Rostov region) and it is described as the first record of this species from this host. The fungus, a sexual morph, was isolated using the single spore isola...

This article is the ninth in the series of Fungal Diversity Notes, where 107 taxa distributed in three phyla, nine classes, 31 orders and 57 families are described and illustrated. Taxa described in the present study include 12 new genera, 74 new species, three new combinations, two reference specimens, a re-circumscription of the epitype, and 15 r...

The article considers the biologization of plum trees protection system from shot hole disease caused by the phytopathogenic fungus Wilsonomyces carpophilus in the humid subtropics of the Krasnodar region. Several biological fungicides based on different strains of the bacterium Bacillus subtilis (Alirin-B®, Bactophyt®, Gamair®, Phytosporin-M®, Vit...

The phylogeny and taxonomy of powdery mildew on Viburnum species is evaluated and discussed. Morphological and phylogenetic analyses revealed two new species and demonstrated that Erysiphe hedwigii and E. viburni should be reduced to synonymy and are referred to herein as E. viburni. The two new species, E. viburniphila and E. pseudoviburni, previo...

This paper is the first in the AJOM series in which we report 100 new collections of fungi which include new species, host and country records. In all, nine new species, 90 new records and one new combination are introduced. The purpose of this series is to provide an outlet for publishing collections with sequence data, so that these observations...

Fungal diversity notes is one of the important journal series of fungal taxonomy that provide detailed descriptions and illustrations of new fungal taxa, as well as providing new information of fungal taxa worldwide. This article is the 11th contribution to the fungal diversity notes series, in which 126 taxa distributed in two phyla, six classes,...

Background: Previous phylogenetic analyses of species within the genus Golovinomyces (Ascomycota, Erysiphales), based on ITS and 28S rDNA sequence data, revealed a co-evolutionary relationship between powdery mildew species and hosts of certain tribes of the plant family Asteraceae. Golovinomyces growing on host plants belonging to the Heliantheae...

The article presents the main results of a long-term study of xylotrophic macromycete species composition in the Donetsk Botanical Garden (Donetsk city, Ukraine). In total, 84 species of xylotrophic macromycetes were found during 2014–2018, among which 30 species were recorded here for the first time (comparing to the studies of 1970s), and repeate...

Dothidotthia and Thyrostroma (Dothidotthiaceae, Pleosporineae, Pleosporales) species are plant pathogens causing canker, dieback and leaf spots on a wide range of hosts. However, the naming species is difficult, due to insufficient protologues, poor phylogenetic understanding due to the lack of sequence data from type species and low-quality illust...

Collections of eleven Prunus specimens infected with Polystigma species from Belarus and Russia yielded two existing taxa: Polystigma fulvum (sexual morph) and Polystigma rubrum (asexual morph). DNA based phylogenies of large subunit nuclear rDNA (LSU) and nuclear ribosomal internal transcribed spacer (ITS) are provided for the first time for Polys...

Thyrostroma ephedricola, isolated from Ephedra equisetina from Uzbekistan is introduced as a new species and a new combination, Thyrostroma jaczewskii (B. Sutton) is proposed. Both species are characterised by sporodochial, punctiform conidiomata, and brown cylindrical to subcylindrical, 1-3-septate conidiophores, cylindrical, clavate, or ellipsoid...

In an investigation of related pleosporalean taxa collected from Italy and Russia, a novel species, Stemphylium dianthi and new host and geographical records ofS. beticola, S. gracilariae, S. simmonsii and S. vesicarium are reported. Stemphylium is a genus of filamentous ascomycetes comprising plant pathogens and saprobes in the family Pleosporacea...

Phaeosphaeriaceae comprises many fungal species occuring mainly on grasses and cereal crops as endophytes, saprobes and especially pathogens. Parastagonospora is an important genus in Phaeosphaeriaceae that includes pathogens causing leaf and glume blotch on cereal crops. In this study, a sexual morph species and an asexual morph species, occuring...

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...

This article is the ninth in the series of Fungal Diversity Notes, where 107 taxa distributed in three phyla, nine classes, 31 orders and 57 families are described and illustrated. Taxa described in the present study include 12 new genera, 74 new species, three new combinations, two reference specimens, a re-circumscription of the epitype, and 15 r...

The history of the study of macromycetes of the Botanical Garden of the Southern Federal University (BG of the SFU) from the middle of the ХХ century to the present time is briefly described. The annotated check-list including 257 species of macromycetes with the information about their ecological features and the locations on the territory of the...

Sexual morph of didymellaceous taxa are characterized by their ascomata with relatively thin peridium, cylindric-clavate to clavate, short-pedicellate or apedicellate asci, hyaline to brown, 1-septate to muriform ascospores. Its asexual morphs are coelomycetous and comprising pycnidial or acervulus conidiomata, phialidic, hyaline conidiogenous cell...

Colletotrichum has a wide host range and distribution and its species are pathogens, endophytes and saprobes. Investigations of Colletotrichum species in both tropical and temperate regions are still needed as much novelty remains to be discovered. A multi-locus phylogenetic analyses of ITS, GAPDH, CHS-1, ACT and TUB2 sequence data combined with mo...

This is the fourth in a series of Mycosphere notes wherein we provide notes on various fungal genera. In this set of notes, we introduce Phaeoseptaceae as a new family, Pseudobyssosphaeria (Melanommataceae) as a new genus, 40 new species, 11 new host or country records, one reference specimen, one new combination and provide a description of the ho...

This paper is the seventh in the Fungal Diversity Notes series, where 131 taxa accommodated in 28 families are mainly described from Rosa (Rosaceae) and a few other hosts. Novel fungal taxa are described in the present study, including 17 new genera, 93 new species, four combinations, a sexual record for a species and new host records for 16 specie...

This is the third paper in the series, Mycosphere notes, wherein we provide notes on various fungal taxa. In this set of notes, we deal with species found on the grape genus, Vitis, one of the most important economically important crops, grown worldwide. We provide notes on 67 taxa, including two new species, Alternaria italica and Alfaria vitis, a...

This is the sixth in a series of papers where we bring collaborating mycologists together to produce a set of notes of several taxa of fungi. In this study we introduce a new family Fuscostagonosporaceae in Dothideomycetes. We also introduce the new ascomycete genera Acericola, Castellaniomyces, Dictyosporina and Longitudinalis and new species Acer...

Ophiobolus is a large genus of Phaeosphaeriaceae comprising more than 350 possible species, most of which are saprobes on herbaceous plants in Europe and North America. Ophiobolus species are polyphyletic and the type of Ophiobolus is not represented in GenBank. Therefore, an increased taxon sampling of ophiobolus-like taxa and epitypification of t...

We collected six “tar spot” disease specimens from various hosts and these were subjected to morpho-phylogenetic studies. In this paper, a new genus, Neophyllachora is introduced to accommodate N. cerradensis, N. myrciae, N. myrciariae, N. subcircinans and N. trucantispora, which are related to Phyllachora species but constitutes an independent str...

A concatenated dataset of LSU, SSU, ITS and tef1 DNA sequence data was analysed to investigate the taxonomic position and phylogenetic relationships of the genus Camarosporium in Pleosporineae (Dothideomycetes). Newly generated sequences from camarosporium-like taxa collected from Europe (Italy) and Russia form a well-supported monophyletic clade w...

Dematiopleospora fusiformis sp. nov., isolated from a decaying upright stem of Achillea millefolium (Asteraceae) in the Rostov Region of Russia is described herein based on morphology and ITS, LSU and SSU rRNA sequence based analyses. The new taxon is similar to D. mariae, the type species of Dematiopleospora, and shares similar features such as un...

This is a first of a series of papers where we bring collaborating mycologists together to produce a set of notes of 50 taxa of fungi, including the new genera Phaeopoacea, Kalmusibambusa and Neoramichloridium, 33 new species, three new combinations, two reference specimens, one epitype, an asexual report and new host records or distribution record...

The authors describe ten new taxa for science using mostly both morphological and molecular data. In Basidiomycota, descriptions are provided for Botryobasidium fusisporum sp. Nov., B.Triangulosporum sp. Nov., Cantharellus hydnoides sp. Nov. and Hydnum aerostatisporum sp. Nov. in Cantharellales; Lactarius rahjamalensis sp. Nov. and Russula pseudoau...

The dying of elms (Ulmus L.) at Peter the Great Botanic Garden of the Komarov Botanical Institute RAS in Saint-Petersburg has been observed since the beginning of the 1990s, soon after the considerable St.-Petersburg climate warming in 1989. During the period from 1981 (the year of the last total inventory of the Botanic Garden) to 2015 three hundr...

This is a continuity of a series of taxonomic and phylogenetic papers on the fungi where materials were collected from many countries, examined and described. In addition to extensive morphological descriptions and appropriate asexual and sexual connections, DNA sequence data are also analysed from concatenated datasets to infer phylogenetic relati...

Cytospora species are important plant pathogens causing dieback and canker diseases on a wide range of hosts, worldwide. However, species level identification is difficult due to poor phylogenetic understanding and lack of sequenced type species. ITS sequence data are only available for most Cytospora strains in GenBank. In this study, samples of C...

Dothistroma needle blight (DNB) caused by Dothistroma septosporum and Dothistroma pini is a damaging disease of pine in many countries. The disease led to the abandonment of planting susceptible Pinus species in parts of Africa, Asia, Australasia, Europe and North America. Although the disease can be effectively controlled using copper fungicides,...

Fungi are ubiquitous and exhibit diverse lifestyles. Many exhibit a continuum of lifestyles ranging from biotrophy, through to necrotrophy and ultimately to saprotrophy. This paper was initiated to establish a set of definitions for fungal lifestyles , in an attempt to achieve better documentation in scientific publications of the roles played by t...

Dothistroma needle blight (DNB) is one of the most important diseases of pine. Although its notoriety stems from Southern Hemisphere epidemics in Pinus radiata plantations, the disease has increased in prevalence and severity in areas of the Northern Hemisphere, including Europe, during the last two decades. This increase has largely been attribute...

This is a continuity of a series of taxonomic papers where materials are examined, described and novel combinations are proposed where necessary to improve our traditional species concepts and provide updates on their classification. In addition to extensive morphological descriptions and appropriate asexual and sexual connections, DNA sequence dat...

Tamarix species are small trees that grow in various natural habitats and have a wide geographic distribution. Microfungal species previously found on Tamarix and recently collected in Italy and Russia were identified based on morphological characters and analyses of gene sequence data. The sexual morph of the coelomycetous genus Homortomyces was c...

A new species of Phaeobotryon was collected from Acer negundo, Forsythia × intermedia and Ligustrum vulgare from European Russia. Morphological and phylogenetic analyses of combined ITS, β-tubulin and EF1-α sequence data revealed that these collections differ from all other species in the genus. Therefore it is introduced here as Phaeobotryon negun...

Notes on 113 fungal taxa are compiled in this paper, including 11 new genera, 89 new species, one new subspecies, three new combinations and seven reference specimens. A wide geographic and taxonomic range of fungal taxa are detailed. In the Ascomycota the new genera Angustospora (Testudinaceae), Camporesia (Xylariaceae), Clematidis, Crassiparies (...

The history and the modern state of Dothistroma species in Russia and adjacent countries are represented.

Celtis occidentalis (American hackberry) is a deciduous tree widely distributed in northern America and introduced in many regions of Europe. In this study we collected Cucurbitaria celtidis from dead or dying twigs and branches of C. occidentalis (Cannabaceae) in the Rostov region (Southern European Russia), where this tree is a common ergasiophyt...

This paper is a compilation of notes on 142 fungal taxa, including five new families, 20 new genera, and 100 new species, representing a wide taxonomic and geographic range. The new families, Ascocylindricaceae, Caryosporaceae and Wicklowiaceae (Ascomycota) are introduced based on their distinct lineages and unique morphology. The new Dothideomycet...

This paper is a compilation of notes on 142 fungal taxa, including five new families, 20 new genera, and 100 new species, representing a wide taxonomic and geographic range. The new families, Ascocylindricaceae, Caryosporaceae and Wicklowiaceae (Ascomycota) are introduced based on their distinct lineages and unique morphology. The new Dothideomycet...