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Issue: Vol. 635 No. 2: 24 Jan. 2024
Type: Article
Published: 2024-01-24
DOI: 10.11646/phytotaxa.635.2.7
Page range: 173-181
Abstract views: 60
PDF downloaded: 2

Molecular phylogeny and morphology reveal a new species of Asterostroma from Guizhou Province, China

Key Laboratory of Forest Disaster Warning and Control in Universities of Yunnan Province, Southwest Forestry University, Kunming 650224, P.R. China. College of Biodiversity Conservation, Southwest Forestry University, Kunming 650224, China.
College of Biodiversity Conservation, Southwest Forestry University, Kunming 650224, China.
Key Laboratory of Forest Disaster Warning and Control in Universities of Yunnan Province, Southwest Forestry University, Kunming 650224, P.R. China. College of Biodiversity Conservation, Southwest Forestry University, Kunming 650224, China. Yunnan Key Laboratory of Gastrodia and Fungi Symbiotic Biology, Zhaotong University, 657000, P.R. China.
Corticioid fungi Phylogenetic analysis Taxonomy Wood-decaying fungi Fungi

Abstract

A new corticioid fungus from Guizhou Province in southwest China, Asterostroma rhizomorpharum, is described and illustrated based on morphological and molecular evidence. It is characterized by producing annual, resupinate basidiomata with long rhizomorphs, a dimitic hyphal structure with simple septa on generative hyphae, asterosetae frequently present in subiculum, asterohyphidia present in hymenium, ellipsoid to subglobose, and echinulate and amyloid basidiospores (5.5–6.8 × 4.6–5.9 μm). The phylogenetic analysis based on ITS+nLSU rDNA sequences shows that the new species belongs to the section Asterostroma.

 

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