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Issue: Vol. 726 No. 4: 6 Nov. 2025
Type: Article
Published: 2025-11-06
DOI: 10.11646/phytotaxa.726.4.1
Page range: 223-245
Abstract views: 171
PDF downloaded: 4

A new species of Helminthosporium (Massarinaceae, Pleosporales) from Taiwan

Master Program in Plant Medicine and Good Agricultural Practice, National Chung Hsing University, 145 Xingda Road, South District, Taichung City 40227, Taiwan
Bioresource Collection and Research Centre, Food Industry Research and Development Institute, No. 331, Shihpin Road, Hsinchu City 300, Taiwan
Master Program in Plant Medicine and Good Agricultural Practice, National Chung Hsing University, 145 Xingda Road, South District, Taichung City 40227, Taiwan
Fungi 1 new taxon lignicolous fungi dematiaceous hyphomycetes phylogenetics taxonomy tretic conidiogenesis

Abstract

Helminthosporium taiwanense sp. nov., isolated from a submerged decaying woody twig in a freshwater stream in Taiwan, is described and illustrated. While morphologically similar to Ellismarsporium due to its production of cylindrical conidia in short chains, multi-locus phylogenetic analyses based on a combined dataset of ITS, LSU, SSU, rpb2, and tef1-α sequences revealed it to be a distinct and undescribed species of Helminthosporium. The morphological boundaries and phylogenetic placement of the genus Ellismarsporium are discussed in light of this discovery.

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How to Cite

Kuo, C.-H., Hsieh, S.-Y. & Goh, T.-K. (2025) A new species of Helminthosporium (Massarinaceae, Pleosporales) from Taiwan. Phytotaxa 726 (4): 223–245. https://doi.org/10.11646/phytotaxa.726.4.1