Fungalpedia – Note 2492, Pseudohelicoon
Pseudohelicoon Y.Z. Lu & K.D. Hyde
Citation when using this data: Dong W et al. 2020 – Fungalpedia, Ascomycota.
Index Fungorum, Facesoffungi, MycoBank, GenBank.
Classification: Tubeufiaceae, Tubeufiales, Incertae sedis, Dothideomycetes, Pezizomycotina, Ascomycota, Fungi
Basionym: Helicoon subglobosum Goh & C.H. Kuo [as ‘Helicoön’], Phytotaxa 346(2): 145 (2018)
Pseudohelicoon is characterized by dark brown, glistening colonies, short branched conidiophores, determinate conidiogenous cells and helicoid conidia that are tightly coiled 7–13 times to form a subglobose or broadly elliptical body, usually incorporating with mucilaginous substances (Lu et al. 2018b). The type species P. subglobosum was transferred from Helicoon to avoid further taxonomic confusion as the polyphyletic nature of Helicoon (Tsui and Berbee 2006; Goh and Kuo 2018; Lu et al. 2018b). Two freshwater species are accepted in Pseudohelicoon and formed a well-supported clade in Tubeufiaceae (Lu et al. 2018b). They can be separated by the conidial shape and length (Goh and Kuo 2018).
Type species: Pseudohelicoon subglobosum (Goh & C.H. Kuo) Y.Z. Lu & Hyde.
Other accepted species: Species Fungorum – search Pseudohelicoon.
References
Goh TK, Kuo CH 2018 – A new species of Helicoön from Taiwan. Phytotaxa 346:141–156.
Entry by
Wei Dong, Faculty of Agriculture and Food, Kunming University of Science and Technology, Kunming 650500, China, Department of Entomology and Plant Pathology, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand, Innovative Agriculture Research Center, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand, Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai 57100, Thailand, Institute of Plant Health, Zhongkai University of Agriculture and Engineering, Haizhu District, Guangzhou 510225, China
Published online 22 May 2026