Three new species of Helicogloea (Phleogenaceae, Atractiellales) from South China
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Published on: July 11, 2025
Zi-Wei Zheng1, Qian-Xin Guan1, Shu-Bin Liu1
1State Key Laboratory of Efficient Production of Forest Resources, School of Ecology and Nature Conservation, Beijing Forestry University, Beijing 100083, China State Key Laboratory of Efficient Production of Forest Resources, School of Ecology and Nature Conservation, Beijing Forestry University Beijing China https://ror.org/04xv2pc41.
Abstract:
Three new species of Helicogloea from south China, Helicogloea candida, H. conidiata and H. sinosebacea, are illustrated and described, based on morphological characteristics and multigene phylogenetic analyses of the internal transcribed spacer regions (ITS) and the large subunit of the nuclear ribosomal RNA gene (nLSU). Helicogloea candida is characterised by resupinate, gelatinous, hyaline to whitish, first pustulate to slightly cerebriform when fresh and ellipsoid to oblong ellipsoid basidiospores measuring 8.9-13.6 × 4.4-8.9 μm; H. conidiata is characterised by the presence of a sporodochial asexual morph and subglobose to ellipsoid conidia measuring 3.6-4.5 × 2.9-3.8 µm; H. sinosebacea is characterised by resupinate, gelatinous, whitish or greyish basidiomes when fresh and subglobose to broadly ellipsoid basidiospores measuring 7-10 × 4.8-7.3 μm. The differences amongst the new species and their morphologically similar and phylogenetically related species are discussed.
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