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Novel species of fungi described in this study include those from various countries as follows: Australia , Baobabopsis sabindy in leaves of Eragrostis spartinoides , Cortinarius magentiguttatus among deep leaf litter, Laurobasidium azarandamiae from uredinium of Puccinia alyxiae on Alyxia buxifolia , Marasmius pseudoelegans on well-rotted twigs and litter in mixed wet sclerophyll and subtropical rainforest. Bolivia , Favolaschia luminosa on twigs of Byttneria hirsuta , Lecanora thorstenii on bark, in savannas with shrubs and trees. Brazil , Asterina costamaiae on leaves of Rourea bahiensis , Purimyces orchidacearum (incl. Purimyces gen. nov. ) as root endophyte on Cattleya locatellii . Bulgaria , Monosporascus bulgaricus and Monosporascus europaeus isolated from surface-sterilised, asymptomatic roots of Microthlaspi perfoliatum . Finland , Inocybe undatolacera on a lawn, near Betula pendula . France , Inocybe querciphila in humus of mixed forest. Germany , Arrhenia oblongispora on bare soil attached to debris of herbaceous plants and grasses. Greece , Tuber aereum under Quercus coccifera and Acer sempervirens . India , Alfoldia lenyadriensis from the gut of a Platynotus sp. beetle, Fulvifomes subramanianii on living Albizzia amara , Inosperma pavithrum on soil, Phylloporia parvateya on living Lonicera sp., Tropicoporus maritimus on living Peltophorum pterocarpum . Indonesia , Elsinoe atypica on leaf of Eucalyptus pellita. Italy , Apiotrichum vineum from grape wine, Cuphopyllus praecox among grass. Madagascar , Pisolithus madagascariensis on soil under Intsia bijuga . Netherlands , Cytosporella calamagrostidis and Periconia calamagrostidicola on old leaves of Calamagrostis arenaria , Hyaloscypha caricicola on leaves of Carex sp., Neoniesslia phragmiticola (incl. Neoniesslia gen. nov. ) on leaf sheaths of standing dead culms of Phragmites australis , Neptunomyces juncicola on culms of Juncus maritimus , Zenophaeosphaeria calamagrostidis (incl. Zenophaeosphaeria gen. nov .) on culms of Calamagrostis arenaria . Norway , Hausneria geniculata (incl. Hausneria gen. nov. ) from a gallery of Dryocoetes alni on Alnus incana . Pakistan , Agrocybe auriolus on leaf litter of Eucalyptus camaldulensis , Rhodophana rubrodisca in nutrient-rich loamy soil with Morus alba . Poland , Cladosporium nubilum from hypersaline brine, Entomortierella ferrotolerans from soil at mines and postmining sites, Pseudopezicula epiphylla from sooty mould community on Quercus robur , Quixadomyces sanctacrucensis from resin of Pinus sylvestris , Szafranskia beskidensis (incl. Szafranskia gen. nov. ) from resin of Abies alba . Portugal , Ascocoryne laurisilvae on degraded wood of Laurus nobilis, Hygrocybe madeirensis in laurel forests, Hygrocybula terracocta (incl. Hygrocybula gen. nov. ) on mossy areas of laurel forests planted with Cryptomeria japonica . Republic of Kenya , Penicillium gorferi from a sterile chicken feather embedded in a soil sample. Slovakia , Cerinomyces tatrensis on bark of Pinus mugo , Metapochonia simonovicovae from soil. South Africa , Acremonium agapanthi on culms of Agapanthus praecox , Alfaria elegiae on culms of Elegia ebracteata , Beaucarneamyces stellenboschensis (incl. Beaucarneamyces gen. nov. ) on dead leaves of Beaucarnea stricta , Gardeniomyces kirstenboschensis (incl. Gardeniomyces gen. nov .) rotting fruit of Gardenia thunbergia , Knufia dianellae on dead leaves of Dianella caerulea , Lomaantha quercina on twigs of Quercus suber. Melanina restionis on dead leaves of Restio duthieae , Microdochium buffelskloofinum on seeds of Eragrostis cf. racemosa , Thamnochortomyces kirstenboschensis (incl. Thamnochortomyces gen. nov. ) on culms of Thamnochortus fraternus , Tubeufia hagahagana on leaves of Hypoxis angustifolia , Wingfieldomyces cypericola on dead leaves of Cyperus papyrus . Spain , Geastrum federeri in soil under Quercus suber and Q. canariensis , Geastrum nadalii in calcareous soil under Juniperus , Quercus , Cupressus , Pinus and Robinia , Hygrocybe garajonayensis in laurel forests, Inocybe cistophila on acidic soil under Cistus ladanifer , Inocybe sabuligena in a mixed Quercus ilex subsp . ballota/Juniperus thurifera open forest , Mycena calongei on mossy bark base of Juniperus oxycedrus , Rhodophana ulmaria on soil in Ulmus minor forest, Tuber arriacaense in soil under Populus pyramidalis , Volvariella latispora on grassy soils in a Quercus ilex ssp. rotundifolia stand. Sweden , Inocybe iota in alpine heath on calcareous soil. Thailand , Craterellus maerimensis and Craterellus sanbuakwaiensis on laterite and sandy soil, Helicocollum samlanense on scale insects, Leptosporella cassiae on dead twigs of Cassia fistula , Oxydothis coperniciae on dead leaf of Copernicia alba , Russula mukdahanensis on soil, Trechispora sangria on soil, Trechispora sanpatongensis on soil. Türkiye , Amanita corylophila in a plantation of Corylus avellana . Ukraine , Pararthrophiala adonis (incl. Pararthrophiala gen. nov. ) on dead stems of Adonis vernalis . USA , Cladorrhinum carnegieae from Carnegiea gigantea , Dematipyriformia americana on swab from basement wall, Dothiora americana from outside air, Dwiroopa aeria from bedroom air, Lithohypha cladosporioides from hospital swab, Macroconia verruculosa on twig of Ilex montana , associated with black destroyed ascomycetous fungus and Biatora sp., Periconia floridana from outside air, Phytophthora fagacearum from necrotic leaves and shoots of Fagus grandifolia , Queenslandipenidiella californica Crous PW, Jurjević Z, Balashov S, De la Peña-Lastra S, Mateos A, Pinruan U, Rigueiro-Rodríguez A, Osieck ER, Altés A, Czachura P, Esteve-Raventós F, Gunaseelan S, Kaliyaperumal M, Larsson E, Luangsa-ard JJ, Moreno G, Pancorbo F, Piątek M, Sommai S, Somrithipol S, Asif M, Delgado G, Flakus A, Illescas T, Kezo K, Khamsuntorn P, Kubátová A, Labuda R, Lavoise C, Lebel T, Lueangjaroenkit P, Maciá-Vicente JG, Paz A, Saba M, Shivas RG, Tan YP, Wingfield MJ, Aas T, Abramczyk B, Ainsworth AM, Akulov A, Alvarado P, Armada F, Assyov B, Avchar R, Avesani M, Bezerra JL, Bhat JD, Bilański P, Bily DS, Boccardo F, Bozok F, Campos JC, Chaimongkol S, Chellappan N, Costa MM, Dalecká M, Darmostuk V, Daskalopoulos V, Dearnaley J, Dentinger BTM, De Silva NI, Dhotre D, Carlavilla JR, Doungsa-ard C, Dovana F, Erhard A, Ferro LO, Gallegos SC, Giles CE, Gore G, Gorfer M, Guard FE, Hanson S-A, Haridev P, Jankowiak R, Jeffers SN, Kandemir H, Karich A, Kisło K, Kiss L, Krisai-Greilhuber I, Latha KPD, Lorenzini M, Lumyong S, Manimohan P, Manjón JL, Maula F, Mazur E, Mesquita NLS, Młynek K, Mongkolsamrit S, Morán P, Murugadoss R, Nagarajan M, Nalumpang S, Noisripoom W, Nosalj S, Novaes QS, Nowak M, Pawłowska J, Peiger M, Pereira OL, Pinto A, Plaza M, Polemis E, Polhorský A, Ramos DO, Raza M, Rivas-Ferreiro M, Rodriguez-Flakus P, Ruszkiewicz-Michalska M, Sánchez A, Santos A, Schüller A, Scott PA, Şen İ, Shelke D, Śliwa L, Solheim H, Sonawane H, Strašiftáková D, Stryjak-Bogacka M, Sudsanguan M, Suwannarach N, Suz LM, Syme K, Taşkın H, Tennakoon DS, Tomka P, Vaghefi N, Vasan V, Vauras J, Wiktorowicz D, Villarreal M, Vizzini A, Wrzosek M, Yang X, Yingkunchao W, Zapparoli G, Zervakis GI, Groenewald JZ (2024). Fungal Planet description sheets: 1614-1696. Citation: Crous PW, Jurjević Z, Balashov S, De la Peña-Lastra S, Mateos A, Pinruan U, Rigueiro-Rodríguez A, Osieck ER, Altés A, Czachura P, Esteve-Raventós F, Gunaseelan S, Kaliyaperumal M, Larsson E, Luangsa-ard JJ, Moreno G, Pancorbo F, Piątek M, Sommai S, Somrithipol S, Asif M, Delgado G, Flakus A, Illescas T, Kezo K, Khamsuntorn P, Kubátová A, Labuda R, Lavoise C, Lebel T, Lueangjaroenkit P, Maciá-Vicente JG, Paz A, Saba M, Shivas RG, Tan YP, Wingfield MJ, Aas T, Abramczyk B, Ainsworth AM, Akulov A, Alvarado P, Armada F, Assyov B, Avchar R, Avesani M, Bezerra JL, Bhat JD, Bilański P, Bily DS, Boccardo F, Bozok F, Campos JC, Chaimongkol S, Chellappan N, Costa MM, Dalecká M, Darmostuk V, Daskalopoulos V, Dearnaley J, Dentinger BTM, De Silva NI, Dhotre D, Carlavilla JR, Doungsa-ard C, Dovana F, Erhard A, Ferro LO, Gallegos SC, Giles CE, Gore G, Gorfer M, Guard FE, Hanson S-A, Haridev P, Jankowiak R, Jeffers SN, Kandemir H, Karich A, Kisło K, Kiss L, Krisai-Greilhuber I, Latha KPD, Lorenzini M, Lumyong S, Manimohan P, Manjón JL, Maula F, Mazur E, Mesquita NLS, Młynek K, Mongkolsamrit S, Morán P, Murugadoss R, Nagarajan M, Nalumpang S, Noisripoom W, Nosalj S, Novaes QS, Nowak M, Pawłowska J, Peiger M, Pereira OL, Pinto A, Plaza M, Polemis E, Polhorský A, Ramos DO, Raza M, Rivas-Ferreiro M, Rodriguez-Flakus P, Ruszkiewicz-Michalska M, Sánchez A, Santos A, Schüller A, Scott PA, Şen İ, Shelke D, Śliwa L, Solheim H, Sonawane H, Strašiftáková D, Stryjak-Bogacka M, Sudsanguan M, Suwannarach N, Suz LM, Syme K, Taşkın H, Tennakoon DS, Tomka P, Vaghefi N, Vasan V, Vauras J, Wiktorowicz D, Villarreal M, Vizzini A, Wrzosek M, Yang X, Yingkunchao W, Zapparoli G, Zervakis GI, Groenewald JZ (2024). Fungal Planet description sheets: 1614-1696. Fungal Systematics and Evolution 13 : 183-440. doi: 10.3114/fuse.2024.13.11., (© 2024 Westerdijk Fungal Biodiversity Institute.)

Ophiostomatales (Ascomycota) contains many species, most of which are associated with bark beetles. Some members of this order are plant or animal pathogens, while others colonize soil, different plant tissues, or even carpophores of some Basidiomycota. However, little is known about soil-inhabiting Ophiostomatales fungi. A survey of these fungi associated with soil under beech, oak, pine, and spruce stands in Poland yielded 623 isolates, representing 10 species: Heinzbutiniagrandicarpa , Leptographiumprocerum , L.radiaticola , Ophiostomapiliferum , O.quercus , Sporothrixbrunneoviolacea , S.dentifunda , S.eucastaneae , and two newly described taxa, namely Sporothrixroztoczensis sp. nov. and S.silvicola sp. nov. In addition, isolates collected from fallen shoots of Pinussylvestris that were pruned by Tomicus sp. are described as Sporothrixtumida sp. nov. The new taxa were morphologically characterized and phylogenetically analyzed based on multi-loci sequence data (ITS, β-tubulin, calmodulin, and translation elongation factor 1-α genes). The Ophiostomatales species were especially abundant in soil under pine and oak stands. Leptographiumprocerum , S.silvicola , and S.roztoczensis were the most frequently isolated species from soil under pine stands, while S.brunneoviolacea was the most abundant in soil under oak stands. The results highlight that forest soil in Poland has a wide diversity of Ophiostomatales taxa, but further studies are required to uncover the molecular diversity and phylogenetic relationships of these fungi, as well as their roles in soil fungal communities.

Graphium species form a well-supported monophyletic lineage within the Microascales (Ascomycota). Members of this genus can be found in association with bark beetles, as well as on tree wounds and in soils. During surveys of bark and ambrosia beetle-associated fungi and cavities made by woodpeckers on hardwood trees in Poland, many isolates with an affinity to Graphium were recovered. They were identified based on their morphological characters and sequence data for the internal transcribed spacer (ITS), 28S rDNA, β-tubulin ( TUB2 ), and translation elongation factor 1-α ( TEF1 ) gene regions. The results revealed five new species, described here as G. brachiatum, G. longistipitatum, G. polonicum, G. radicatum , and G. trypophloei .

Introduction: The ascomycete Hymenoscyphus fraxineus , originating from Asia, is currently threatening common ash ( Fraxinus excelsior ) in Europe, massive ascospore production from the saprotrophic phase being a key determinant of its invasiveness., Methods: To consider whether fungal diversity and succession in decomposing leaf litter are affected by this invader, we used ITS-1 metabarcoding to profile changes in fungal community composition during overwintering. The subjected ash leaf petioles, collected from a diseased forest and a healthy ash stand hosting the harmless ash endophyte Hymenoscyphus albidus , were incubated in the forest floor of the diseased stand between October 2017 and June 2018 and harvested at 2-3-month intervals., Results: Total fungal DNA level showed a 3-fold increase during overwintering as estimated by FungiQuant qPCR. Petioles from the healthy site showed pronounced changes during overwintering; ascomycetes of the class Dothideomycetes were predominant after leaf shed, but the basidiomycete genus Mycena (class Agaricomycetes) became predominant by April, whereas H. albidus showed low prevalence. Petioles from the diseased site showed little change during overwintering; H. fraxineus was predominant, while Mycena spp. showed increased read proportion by June., Discussion: The low species richness and evenness in petioles from the diseased site in comparison to petioles from the healthy site were obviously related to tremendous infection pressure of H. fraxineus in diseased forests. Changes in leaf litter quality, owing to accumulation of host defense phenolics in the pathogen challenged leaves, and strong saprophytic competence of H. fraxineus are other factors that probably influence fungal succession. For additional comparison, we examined fungal community structure in petioles collected in the healthy stand in August 2013 and showing H. albidus ascomata. This species was similarly predominant in these petioles as H. fraxineus was in petioles from the diseased site, suggesting that both fungi have similar suppressive effects on fungal richness in petiole/rachis segments they have secured for completion of their life cycle. However, the ability of H. fraxineus to secure the entire leaf nerve system in diseased forests, in opposite to H. albidus , impacts the general diversity and successional trajectory of fungi in decomposing ash petioles., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2023 Kosawang, Børja, Herrero, Nagy, Nielsen, Solheim, Timmermann and Hietala.)

Novel species of fungi described in this study include those from various countries as follows: Argentina , Colletotrichum araujiae on leaves, stems and fruits of Araujia hortorum . Australia , Agaricus pateritonsus on soil, Curvularia fraserae on dying leaf of Bothriochloa insculpta, Curvularia millisiae from yellowing leaf tips of Cyperus aromaticus, Marasmius brunneolorobustus on well-rotted wood, Nigrospora cooperae from necrotic leaf of Heteropogon contortus , Penicillium tealii from the body of a dead spider, Pseudocercospora robertsiorum from leaf spots of Senna tora, Talaromyces atkinsoniae from gills of Marasmius crinis-equi and Zasmidium pearceae from leaf spots of Smilaxglyciphylla . Brazil , Preussia bezerrensis from air. Chile , Paraconiothyrium kelleni from the rhizosphere of Fragaria chiloensis subsp. chiloensis f. chiloensis . Finland , Inocybe udicola on soil in mixed forest with Betula pendula, Populus tremula, Picea abies and Alnus incana . France , Myrmecridium normannianum on dead culm of unidentified Poaceae . Germany , Vexillomyces fraxinicola from symptomless stem wood of Fraxinus excelsior . India , Diaporthe limoniae on infected fruit of Limonia acidissima, Didymella naikii on leaves of Cajanus cajan , and Fulvifomes mangroviensis on basal trunk of Aegiceras corniculatum . Indonesia , Penicillium ezekielii from Zea mays kernels. Namibia , Neocamarosporium calicoremae and Neocladosporium calicoremae on stems of Calicorema capitata , and Pleiochaeta adenolobi on symptomatic leaves of Adenolobus pechuelii . Netherlands , Chalara pteridii on stems of Pteridium aquilinum, Neomackenziella juncicola (incl. Neomackenziella gen. nov.) and Sporidesmiella junci from dead culms of Juncus effusus . Pakistan , Inocybe longistipitata on soil in a Quercus forest. Poland , Phytophthora viadrina from rhizosphere soil of Quercus robur , and Septoria krystynae on leaf spots of Viscum album . Portugal (Azores) , Acrogenospora stellata on dead wood or bark. South Africa , Phyllactinia greyiae on leaves of Greyia sutherlandii and Punctelia anae on bark of Vachellia karroo . Spain , Anteaglonium lusitanicum on decaying wood of Prunus lusitanica subsp. lusitanica , Hawksworthiomyces riparius from fluvial sediments, Lophiostoma carabassense endophytic in roots of Limbarda crithmoides , and Tuber mohedanoi from calcareus soils. Spain (Canary Islands) , Mycena laurisilvae on stumps and woody debris. Sweden , Elaphomyces geminus from soil under Quercus robur . Thailand , Lactifluus chiangraiensis on soil under Pinus merkusii, Lactifluus nakhonphanomensis and Xerocomus sisongkhramensis on soil under Dipterocarpus trees. Ukraine , Valsonectria robiniae on dead twigs of Robinia hispida . USA , Spiralomyces americanus (incl. Spiralomyces gen. nov.) from office air. Morphological and culture characteristics are supported by DNA barcodes. Citation: Tan YP, Bishop-Hurley SL, Shivas RG, et al. 2022. Fungal Planet description sheets: 1436-1477. Persoonia 49: 261-350. https://doi.org/10.3767/persoonia.2022.49.08., (© 2022 Naturalis Biodiversity Center & Westerdijk Fungal Biodiversity Institute.)

The populations of European ash and its harmless fungal associate Hymenoscyphus albidus are in decline owing to ash dieback caused by the invasive Hymenoscyphus fraxineus , a fungus that in its native range in Asia is a harmless leaf endophyte of local ash species. To clarify the behavior of H. albidus and its spatial and temporal niche overlap with the invasive relative, we used light microscopy, fungal species-specific qPCR assays, and PacBio long-read amplicon sequencing of the ITS1-5.8S-ITS2 region to examine fungal growth and species composition in attached leaves of European ash. The plant material was collected from a healthy stand in central Norway, where ash saplings in late autumn showed leaflet vein necrosis like that commonly related to H. fraxineus . For reference, leaflet samples were analyzed from stands with epidemic level of ash dieback in southeastern Norway and Estonia. While H. albidus was predominant in the necrotic veins in the healthy stand, H. fraxineus was predominant in the diseased stands. Otherwise, endophytes with pathogenic potential in the genera Venturia (anamorph Fusicladium ), Mycosphaerella (anamorph Ramularia ), and Phoma , and basidiomycetous yeasts formed the core leaflet mycobiome both in the healthy and diseased stands. In necrotic leaf areas with high levels of either H. albidus or H. fraxineus DNA, one common feature was the high colonization of sclerenchyma and phloem, a region from which the ascomata of both species arise. Our data suggest that H. albidus can induce necrosis in ash leaves, but that owing to low infection pressure, this first takes place in tissues weakened by autumn senescence, 1-2 months later in the season than what is characteristic of H. fraxineus at an epidemic phase of ash dieback. The most striking difference between these fungi would appear to be the high fecundity of H. fraxineus . The adaptation to a host that is phylogenetically closely related to European ash, a tree species with high occurrence frequency in Europe, and the presence of environmental conditions favorable to H. fraxineus life cycle completion in most years may enable the build-up of high infection pressure and challenge of leaf defense prior to autumn senescence., Competing Interests: The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest., (Copyright © 2022 Hietala, Agan, Nagy, Børja, Timmermann, Drenkhan and Solheim.)