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Issue: Vol. 772 No. 3: 2 Sept. 2026
Type: Article
Published: 2026-09-02
DOI: 10.11646/phytotaxa.772.3.2
Page range: 226-234
Abstract views: 25
PDF downloaded: 5

Ceratocystis quercina sp. nov. (Ceratocystidaceae) from Quercus mongolica in South Korea

Department of Environment and Forest Resources; Chungnam National University; 99 Daehak-ro; Yuseong-gu; Daejeon 34134; Republic of Korea
Institute of Agriculture and Life Science; Gyeongsang National University; Jinju 52828; South Korea
Department of Environment and Forest Resources; Chungnam National University; 99 Daehak-ro; Yuseong-gu; Daejeon 34134; Republic of Korea
Department of Environment and Forest Resources; Chungnam National University; 99 Daehak-ro; Yuseong-gu; Daejeon 34134; Republic of Korea
Fungi Ophiostomatoid Microascales oak insect vector morphology taxonomy phylogeny

Abstract

During a survey of putative tree pathogens on oak forests in Gangwon Province, South Korea, a fungal isolate exhibiting morphological characteristics typical of Ceratocystis was consistently recovered from natural wounds on Quercus mongolica. Multi-locus phylogenetic analyses based on maximum parsimony and maximum likelihood approaches using three loci (TUB2, TEF1α and MCM7), combined with distinctive morphological features of aleuriospores and conidia, revealed that the isolate forms a phylogenetically distinct lineage. Consequently, this fungus is herein described as Ceratocystis quercina sp. nov., marking the second novel species newly described from South Korea, following C. quercicola. In this regard, this discovery suggests the potential for further taxonomic novelty within the genus Ceratocystis and highlights the need for broader surveys to determine the actual prevalence and spatial distribution of Ceratocystis taxa in the Korean Peninsula.

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How to Cite

Woo, H.-G., Cho, S.-E., Kim, Y.-H. & Lee, D.-H. (2026) Ceratocystis quercina sp. nov. (Ceratocystidaceae) from Quercus mongolica in South Korea. Phytotaxa 772 (3): 226–234. https://doi.org/10.11646/phytotaxa.772.3.2