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Issue: Vol. 749 No. 3: 27 Mar. 2026
Type: Article
Published: 2026-03-27
DOI: 10.11646/phytotaxa.749.3.4
Page range: 281-291
Abstract views: 0
PDF downloaded: 0

Asterostroma arundinicola (Peniophoraceae, Russulales), a new species from Eastern China

College of Economics and Management, Tianjin University of Science and Technology, Tianjin 300222, China
College of Economics and Management, Tianjin University of Science and Technology, Tianjin 300222, China
College of Marine and Environmental Sciences, Tianjin University of Science and Technology, Tianjin 300222, China
School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China
Basidiomycota herb-decaying fungi phylogeny taxonomy Fungi

Abstract

Asterostroma arundinicola sp. nov., found on Arundo donax in Zhejiang Province, Eastern China, is described based on morphology and phylogeny inferred from combined ITS and nLSU sequence data. The new species is characterized by resupinate, membranaceous basidiomata with cottony to hypochnoid, flesh-pink hymenophore, distinct hyphal strands, a monomitic hyphal system with simple-septate generative hyphae, abundant asterosetae and asterohyphidia which are weakly dextrinoid, echinulate, subglobose to globose basidiospores measuring 4.5–7 × 4.2–6.5 µm, and growing on a monocotyledon (Arundo donax). Phylogenetically, the new species is closely related to Asterostroma fimbriatum and A. medium, but A. fimbriatum is differentiated from A. arundinicola by its thin-walled basidiospores; A. medium differs from A. arundinicola by having a cream to light ochraceous hymenial surface and thin-walled basidiospores. A description, illustrations, and phylogenetic analysis results of the new species are provided along with comparisons with closely related taxa.

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How to Cite

Wang, L., Song, Y.-T., Wang, L. & Luo, K.-Y. (2026) Asterostroma arundinicola (Peniophoraceae, Russulales), a new species from Eastern China. Phytotaxa 749 (3): 281–291. https://doi.org/10.11646/phytotaxa.749.3.4