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Article

Taxonomy and Phylogeny of Lepiota Sect. Stenosporae (Verrucosporaceae) from Northeast China, with Six New Species and One New Record

Key Laboratory of Edible Fungal Resources and Utilization (North), Ministry of Agriculture and Rural Affairs, Jilin Agricultural University, Changchun 130118, China
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Author to whom correspondence should be addressed.
J. Fungi 2026, 12(5), 355; https://doi.org/10.3390/jof12050355
Submission received: 30 March 2026 / Revised: 8 May 2026 / Accepted: 9 May 2026 / Published: 12 May 2026
(This article belongs to the Section Fungal Evolution, Biodiversity and Systematics)

Abstract

Lepiota sect. Stenosporae is characterized by a trichodermal or cutis-like pileus covering and spurred basidiospores. Although macroscopic similarities among its members complicate field identification, species can be delimited by combining multi-locus (ITS, nrLSU, rpb2, and tef1-α) phylogenetic analyses with distinct micro-morphological features. Using this integrative approach, we investigated specimens of sect. Stenosporae collected from Northeast China. A total of 12 species were successfully delimited, including six species new to science (Lepiota dolichospora, L. hongshiensis, L. jilinensis, L. microstenospora, L. sinocastanea, and L. sirupa) and one new record for China (L. grangei). Comprehensive morphological descriptions and line-drawing illustrations of microscopic features are provided for all recognized taxa. These findings expand the known species diversity of Lepiota in China and contribute morphological and molecular data for further systematic studies of this fungal group.
Keywords: Agaricaceae; cryptic diversity; integrative taxonomy; species delimitation Agaricaceae; cryptic diversity; integrative taxonomy; species delimitation

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MDPI and ACS Style

Zhou, X.-Y.; Bau, T. Taxonomy and Phylogeny of Lepiota Sect. Stenosporae (Verrucosporaceae) from Northeast China, with Six New Species and One New Record. J. Fungi 2026, 12, 355. https://doi.org/10.3390/jof12050355

AMA Style

Zhou X-Y, Bau T. Taxonomy and Phylogeny of Lepiota Sect. Stenosporae (Verrucosporaceae) from Northeast China, with Six New Species and One New Record. Journal of Fungi. 2026; 12(5):355. https://doi.org/10.3390/jof12050355

Chicago/Turabian Style

Zhou, Xian-Yan, and Tolgor Bau. 2026. "Taxonomy and Phylogeny of Lepiota Sect. Stenosporae (Verrucosporaceae) from Northeast China, with Six New Species and One New Record" Journal of Fungi 12, no. 5: 355. https://doi.org/10.3390/jof12050355

APA Style

Zhou, X.-Y., & Bau, T. (2026). Taxonomy and Phylogeny of Lepiota Sect. Stenosporae (Verrucosporaceae) from Northeast China, with Six New Species and One New Record. Journal of Fungi, 12(5), 355. https://doi.org/10.3390/jof12050355

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