Fungi worldwide

New species

Fungi newly described for science: where they were found, who described them and where the publication is. With identifiers and a source link.

entries: 23
illustrated: 23
with sources: 23

Chicitaea yueliangshanensis: a new lichen hidden on bark

Purpureocillium atlanticum: a fungus from a Brazilian spider burrow

Pleurotus sinensis: a new species among pinkish oyster mushrooms

23 descriptions — each with a DOI to the source publication

Ascopolyporus sinensis

Z.Q. Wang & Y.B. Wang, 2026

Ascopolyporus sinensis on an insect-killing fungus

In Yunnan the new species was found in association with Metacordyceps puerensis on the undersides of living dicot leaves.

Publication: Three new species in Cordycipitaceae and Clavicipitaceae (Hypocreales, Ascomycota) from Yunnan, China
Habitat: The underside of living dicot leaves in the humid surroundings of Pu’er, Yunnan.
Host: Associated with Metacordyceps puerensis, which parasitises an insect.
Etymology: The epithet sinensis points to China, the country the type material came from.
Conservation: Not assessed — described in 2026.

DOI10.3897/mycokeys.137.195207 MycoBankMB 863421

Botryobasidium massonianae

K.Y. Luo, Y.C. Dai, Yuan Yuan & Y.D. Wu, 2026

Botryobasidium massonianae on pine wood

A resupinate fungus colonised the dead wood of Pinus massoniana; the description rests on morphology and on ITS and nLSU sequences.

Publication: Three new species of Cantharellales and Hymenochaetales from Pinus massoniana in China
Habitat: Dead pine wood in China; a thin, spread-out fruit body on the surface of the substrate.
Host: Pinus massoniana — a known substrate, with no confirmed strict specialisation.
Etymology: The epithet refers to Pinus massoniana, on whose wood the type was collected.
Conservation: Not assessed — described in 2026.

DOI10.3897/mycokeys.137.203862

Chicitaea yueliangshanensis

Wei Wu & Shao-Bin Fu, 2026

Chicitaea yueliangshanensis: a new lichen hidden on bark

Described in February 2026, this Guizhou lichen has tiny black fruiting bodies. Its recognition combined anatomy, thallus chemistry and DNA evidence rather than appearance alone.

Publication: He L-Z et al. (2026). MycoKeys 128: 73–96.
Habitat: Tree bark in Yueliangshan Nature Reserve, Congjiang County, Guizhou, China; the type was collected at 959 m elevation.
Etymology: The name refers to Yueliangshan Nature Reserve, where the holotype was collected.
Conservation: The description does not include a formal extinction-risk assessment.

DOI10.3897/mycokeys.128.170469 Index Fungorum903587

Drechslerosporium cornellii

B. Huang & Y. Nie, 2026

Drechslerosporium cornellii — a new genus

An isolate from decaying plant litter discharges its conidia in an unusual way and forms finger-like chlamydospores.

Publication: Drechslerosporium cornellii gen. et sp. nov. within the Basidiobolaceae
Habitat: Decaying plant debris in the Muriel B. Mundy Wildflower Garden, Ithaca; culture ARSEF 7942.
Etymology: The name honours Ezra Cornell, the founder of Cornell University.
Conservation: Not assessed — known from the material used in the 2026 description.

DOI10.3897/mycokeys.136.200461 MycoBankMB 862733

Fungi inside healthy tissue of high-altitude trees

Parafenestella cupressicola, P. xizangensis

Pang, Wu, Liang i in., 2026

Fungi inside healthy tissue of high-altitude trees

Two new Parafenestella species were isolated from asymptomatic tissue of a Tibetan cypress and a rose. Endophytes live in a plant without harming it.

Publication: MycoKeys 137: 69-80
Habitat: Asymptomatic tissue of trees and shrubs in high-altitude forests of Xizang.
Host: Cupressus gigantea, Rosa sericea.
Etymology: cupressicola — dwelling on cypress; xizangensis — from the name of Xizang.

DOI10.3897/mycokeys.137.197730

Lasiodiplodia carlesii

Zhang, Feng, Jiang i in., 2026

Lasiodiplodia carlesii — a new canker pathogen

A new pathogen described after a disease outbreak in Chinese Castanopsis plantations. Tests confirmed it also attacks another plant family.

Publication: MycoKeys 137: 81-102
Habitat: Diseased tissue of trees in Castanopsis plantations in China.
Host: Castanopsis carlesii, C. hystrix, C. faberi; fruits of Syzygium samarangense.
Etymology: The epithet comes from the host, Castanopsis carlesii.

DOI10.3897/mycokeys.137.184738

Leptobacillium doupengense

W.K. Lin, L.L. Lou, X. Zou & Y.M. Zhou, 2026

Leptobacillium doupengense from a tree hollow

The species was isolated from humus-rich material that had accumulated in a tree hollow in the karst landscape of Guizhou.

Publication: Two new species from tree-hole humus in Guizhou Province, China: Leptobacillium doupengense (Hypocreales, Cordycipitaceae) and Metapochonia doupengshanensis (Hypocreales, Clavicipitaceae)
Habitat: Rotten material in a tree hollow in the karst Doupengshan Scenic Area, Duyun, Guizhou.
Host: Not established; the species was isolated from the rotten material of a tree hollow.
Etymology: The name comes from the Doupengshan area, where the sample was taken.
Conservation: Not assessed — described in 2026.

DOI10.3897/mycokeys.137.196582

Marcelleina evangelinae

Raymundo, Sánchez-Flores, Alv.-Cortés & Esqueda, 2026

Marcelleina evangelinae — a violet cup from Sonora

The new species was distinguished by dark violet apothecia, reticulate spores, histochemistry and analysis of its DNA sequences.

Publication: Two new purplish species of Pezizales from the temperate forests of Mexico
Habitat: Mixed forest of the Sierra Madre Occidental in Sonora, 1,297 m; small apothecia on decaying substrate.
Etymology: The name honours Dr Evangelina Pérez-Silva.
Conservation: Not assessed — known from the material used in the 2026 description.

DOI10.3897/mycokeys.136.195741 MycoBankMB 859789

Micropsalliota latiumbonata

S. Hussain, Al-Nadabi & Al-Sadi, 2026

Micropsalliota latiumbonata from monsoon Oman

A small saprotroph grew in groups beside termite mounds in the seasonally humid Dhofar region of southern Oman.

Publication: Morphology and multigene phylogeny reveal two new species of Micropsalliota (Agaricaceae, Basidiomycota) from Dhofar region, southern Oman
Habitat: Soil around termite mounds in the seasonally humid Dhofar region of southern Oman.
Host: No confirmed host; the fruit bodies grew beside termite mounds.
Etymology: The epithet refers to the broad umbo at the centre of the cap.
Conservation: Not assessed — described in 2026.

DOI10.3897/mycokeys.137.192271 MycoBankMB 862914

Ophiocordyceps gotrae

Y.B. Wang, Z.M. Chen, H.F. Liao & Zhu L. Yang, 2026

Ophiocordyceps gotrae — parasite of an adult wasp

The new species from Yunnan grew out of an adult Gotra octocinctus lying in the leaf litter of a mountain forest.

Publication: Molecular phylogeny and morphology reveal two new species and one new record of Ophiocordyceps (Ophiocordycipitaceae, Hypocreales) parasitic on Hymenoptera in China
Habitat: Leaf litter on the floor of a montane forest in the Huanglian Mountains, Yunnan, at about 1,306 m.
Host: an adult wasp, Gotra octocinctus, Ichneumonidae
Etymology: The name refers to the host genus, Gotra.
Conservation: Not assessed — described in 2026.

DOI10.3897/mycokeys.137.191268

Schizothecium keniense

Y. Marín & K. Harms, 2026

Schizothecium keniense — a new fungus from cow dung

The Kenyan species was described from coprophilous fruiting bodies, culture, four DNA markers and a profile of the metabolites it produces.

Publication: Pyrrospirone Z and related decahydrofluorene alkaloids produced by the new coprophilous species Schizothecium keniense
Habitat: Cow dung from near Egerton University; specimen PRM 964937 and culture CCF 6931.
Host: Cow — the association is with the coprophilous substrate, not parasitism.
Etymology: The name refers to Kenya, where the material came from.
Conservation: Not assessed — known from the material used in the 2026 description.

DOI10.3897/mycokeys.136.191424 MycoBankMB 862939

Smardaea perezsilvae

Sánchez-Flores, J. García, Esqueda & Raymundo, 2026

Smardaea perezsilvae from Monte Tláloc

A cup-shaped fruiting body from high mountain forest has spindle-shaped, ridged spores and forms a distinct lineage in the Pyropyxidaceae.

Publication: Two new purplish species of Pezizales from the temperate forests of Mexico
Habitat: High-montane mixed forest on Monte Tláloc, Estado de México, 3,106 m; fruit bodies on soil.
Etymology: The epithet honours Dr Evangelina Pérez-Silva.
Conservation: Not assessed — known from the material used in the 2026 description.

DOI10.3897/mycokeys.136.195741 MycoBankMB 859790

Trichomerium guiyangense, T. xishuiense

Deng, Liu, Hongsanan i in., 2026

That black film on leaves is fungi too

Two new Trichomerium species were described from Guizhou. They form sooty coatings on the surface of living leaves without entering the tissue.

Publication: MycoKeys 137: 223-239
Habitat: The surface of living leaves, Guizhou Province, China.
Host: A leaf epiphyte feeding on honeydew rather than on plant tissue.
Etymology: The epithets come from the collecting localities, Guiyang and Xishui.

DOI10.3897/mycokeys.137.177643

Three aquatic Distoseptispora from the Philippines

Distoseptispora antiqueana, D. iloiloensis, D. panayensis

Bagacay, Candole, Velo i in., 2026

Three aquatic Distoseptispora from the Philippines

Fungi that decay wood submerged in streams are a rarely studied group. A Philippine survey produced three new species at once.

Publication: MycoKeys 137: 103-137
Habitat: Wood submerged in fresh water, the Philippines.
Host: Decaying wood in streams, with no specialised host.
Etymology: The epithets come from places in the Philippines: Antique province, Iloilo city and Panay island.

DOI10.3897/mycokeys.137.198252

Sarcogyne bayingolinensis, S. parasitica, S. yiliensis

Liang, Wang, Hu i in., 2026

Three new lichens told apart by a bloom

Pruina, the white bloom on a thallus surface, turned out to deserve a survey of its own. It yielded three new Sarcogyne species.

Publication: MycoKeys 137: 175-197
Habitat: Rock substrates at sites in China.
Host: Lichens; S. parasitica lives parasitically on other lichens.
Etymology: The epithets come from places, Bayingolin and Yili; parasitica from the way of life.

DOI10.3897/mycokeys.137.201158

Two new ascomycetes from the Yunnan-Guizhou Plateau

Minuticlypeus zunyiensis, Paravamsapriya yunnanensis

Yao, Liu, Li i in., 2026

Two new ascomycetes from the Yunnan-Guizhou Plateau

Minuticlypeus zunyiensis and Paravamsapriya yunnanensis were described from south-western China. Both belong to the order Xylariales.

Publication: MycoKeys 137: 241-255
Habitat: Dead twigs and wood, the Yunnan-Guizhou Plateau, China.
Host: A saprotroph on dead wood.
Etymology: The epithets come from the collecting localities, Zunyi in Guizhou and Yunnan province.

DOI10.3897/mycokeys.137.195655

Two new species from dead wood, with an activity test

Chromolaenicola crataegicola, Paraphaeosphaeria fulva

Su, Tieliwadi, Zhang i in., 2026

Two new species from dead wood, with an activity test

Describing a new species rarely comes with checking what it produces. Here the authors did both at once.

Publication: MycoKeys 137: 43-67
Habitat: Decaying wood and woody litter, north-east China.
Host: A saprotroph on dead wood.
Etymology: crataegicola — dwelling on hawthorn; fulva — tawny, from the colour.

DOI10.3897/mycokeys.137.197035

Two new yeasts from flowers in northern Thailand

Papiliotrema anthoicola, P. floralis

Kathongthung, Kodchasee, Singsalood i in., 2026

Two new yeasts from flowers in northern Thailand

Papiliotrema anthoicola and P. floralis were isolated from the flowers of five plants. A flower turns out to be a habitat with its own funga.

Publication: MycoKeys 137: 199-222
Habitat: Flowers of ornamental and wild plants, Chiang Mai Province, northern Thailand.
Host: Allamanda cathartica, Bidens pilosa, Cananga odorata, Oncidium sp., Plumeria obtusa.
Etymology: anthoicola — dwelling in a flower; floralis — of flowers.

DOI10.3897/mycokeys.137.199289

A new genus among arbuscular mycorrhizal fungi

Diversispora conica

Błaszkowski, Goto, Zubek, Milczarski, Malinowski, Niezgoda, Błaszkowski, 2025

A new genus among arbuscular mycorrhizal fungi

In 2025 a Polish team described the new genus Paracorymbiglomus and the new species Diversispora conica in the Glomeromycota.

Publication: MycoKeys 117: 171–190
Habitat: soil, in symbiosis with plant roots
Host: roots of plants forming arbuscular mycorrhiza
Etymology: The epithet conica refers to the conical spore shape described in the diagnosis.

DOI10.3897/mycokeys.117.148052

New species found with bark and ambrosia beetles

Ophiostoma babimostense

Jankowiak, Solheim, Bilański, Kawa, 2025

New species found with bark and ambrosia beetles

Ophiostoma babimostense and Sporothrix europaea were described in 2025 from specimens associated with beetles in Poland and Norway.

Publication: MycoKeys 123
Habitat: Beetle galleries in wood in Poland and Norway; isolates associated with bark and ambrosia beetles.
Host: bark beetles and ambrosia beetles
Etymology: The name Ophiostoma babimostense refers to Babimost, where part of the material came from.

DOI10.3897/mycokeys.123.155588

Pleurotus sinensis

L. Zeng, Y.F. Sun & B.K. Cui, 2025

Pleurotus sinensis: a new species among pinkish oyster mushrooms

A 2025 description separates some Chinese oyster mushrooms from the Pleurotus djamor complex. Fruiting bodies, microscopic characters and several DNA markers together support the distinction.

Publication: Zeng L, Xu Y-H, Wan L-L, Sun Y-F, Cui B-K (2025). MycoKeys 126: 119–133.
Habitat: Angiosperm trees and dead, decaying wood in temperate and subtropical China.
Etymology: The epithet sinensis refers to the Chinese origin of the studied specimens.
Conservation: The paper does not provide a formal IUCN assessment.

DOI10.3897/mycokeys.126.162530 MycoBank861390

Purpureocillium atlanticum

J.P.M. Araújo, Martins-Cunha, Antonelli & Drechsler-Santos, 2025

Purpureocillium atlanticum: a fungus from a Brazilian spider burrow

Described in 2025, this fungus grows from a trapdoor spider hidden in the forest floor. Its description combines morphology with sequencing performed during fieldwork.

Publication: Araújo JPM et al. (2025). IMA Fungus 16: e168534.
Habitat: Spider burrows in the forest floor of montane Atlantic Forest near Nova Friburgo, Brazil.
Host: A trapdoor spider; the diagnosis does not assign a host species name.
Etymology: The epithet refers to Brazil’s Atlantic Forest.
Conservation: The authors propose Data Deficient (DD); they do not provide a separate formal IUCN assessment record.

DOI10.3897/imafungus.16.168534 Index Fungorum853794

Six new species from Polish broadleaf trees

Sporothrix cracoviensis

Ostafińska, Jankowiak, Bilański, Solheim, Wingfield, 2021

Six new species from Polish broadleaf trees

Work on broadleaf trees in Poland produced descriptions of six species new to science in the genus Sporothrix — one named after Kraków.

Publication: MycoKeys 82: Six new Sporothrix species from hardwood trees in Poland
Habitat: Bark and tissues of broadleaf trees in Poland; isolates obtained during research on wood-associated fungi.
Host: broadleaf trees, among them ash and oak
Etymology: The names commemorate features, places and hosts: cracoviensis — Kraków, resoviensis — Rzeszów, fraxini — ash.

DOI10.3897/mycokeys.82.66603