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Peer-reviewedPublic domainMycoKeys

Introduction of Lasiolepiota (Agaricaceae), a new genus with two new species from Laos and Thailand.

  • Phongeun Sysouphanthong1,2
  • Komsit Wisitrassameewong3,4
  • Yuan S Liu5
  • Narumon Tangthirasunun6
  • Else C Vellinga7
  • Naritsada Thongklang1,8
8 affiliations
  1. 1Center of Excellence in Fungal Research, Mae Fah Luang University, Chiang Rai, 57100, Thailand Center of Excellence in Fungal Research, Mae Fah Luang University Chiang Rai Thailand https://ror.org/00mwhaw71.
  2. 2Biotechnology and Ecology Institute, Ministry of Agriculture and Forestry, P.O. Box 811, Vientiane Capital, Lao People's Democratic Republic Biotechnology and Ecology Institute, Ministry of Agriculture and Forestry Vientiane Capital Lao People's Democratic Republic https://ror.org/05x7v0b39.
  3. 3Department of Biotechnology, Faculty of Science, Mahidol University, Bangkok 10400, Thailand Department of Biotechnology, Faculty of Science, Mahidol University Bangkok Thailand https://ror.org/01znkr924.
  4. 4National Biobank of Thailand, National Science and Technology Development (NSTDA), Thailand Science Park, Khlong Neung, Khlong Luang, Pathum Thani 12120, Thailand National Biobank of Thailand, National Science and Technology Development (NSTDA), Thailand Science Park Pathum Thani Thailand.
  5. 5Faculty of Agriculture, Forestry and Food Engineering, Yibin University, Yibin 644000, Sichuan, China Faculty of Agriculture, Forestry and Food Engineering, Yibin University Yibin China https://ror.org/03w8m2977.
  6. 6Department of Biology, School of Science, King Mongkut's Institute of Technology Ladkrabang (KMITL), Bangkok, Thailand Department of Biology, School of Science, King Mongkut's Institute of Technology Ladkrabang (KMITL) Bangkok Thailand https://ror.org/055mf0v62.
  7. 7UC Herbarium, University of California at Berkeley, Berkeley, CA 94720-2465, USA UC Herbarium, University of California at Berkeley Berkeley United States of America https://ror.org/01an7q238.
  8. 8School of Science, Mae Fah Luang University, Chiang Rai 57100, Thailand School of Science, Mae Fah Luang University Chiang Rai Thailand https://ror.org/00mwhaw71.
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Abstract

Based on unique morphological characters and molecular phylogenetic analysis, Lasiolepiota is described as a new genus comprising two new species, La. oinochroa and La. thailandica , collected from the forests of Laos and Thailand. Lasiolepiota is characterized by a glabrous patch at pileus center, small to large basidiomata covered with a thick layer of fibrous felt or woolly floccules, free and white lamellae, a fragile annulus, a similar pileus- and stipe covering a complex hyphal type of structure composed of irregular and branched hyphae, hyaline, ellipsoid, ovoid to amygdaliform basidiospores, clavate to fusiform cheilocystidia, and no pleurocystidia. Furthermore, the molecular phylogenetic analysis of combined gene sequences (ITS, LSU, rpb 2, and tef 1-α) confirmed that Lasiolepiota is a part of the Agaricaceae s.str., and distinctly separate from other genera.

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Cite

BibTeXRIS
BibTeX
@article{sysouphanthong2026introduction,
  title = {{Introduction of Lasiolepiota (Agaricaceae), a new genus with two new species from Laos and Thailand.}},
  author = {Phongeun Sysouphanthong and Komsit Wisitrassameewong and Yuan S Liu and Narumon Tangthirasunun and Else C Vellinga and Naritsada Thongklang},
  journal = {MycoKeys},
  year = {2026},
  month = oct,
  doi = {10.3897/mycokeys.142.201080},
  url = {https://europepmc.org/article/MED/42999797},
  note = {Public domain},
}
RIS
TY  - JOUR
TI  - Introduction of Lasiolepiota (Agaricaceae), a new genus with two new species from Laos and Thailand.
AU  - Phongeun Sysouphanthong
AU  - Komsit Wisitrassameewong
AU  - Yuan S Liu
AU  - Narumon Tangthirasunun
AU  - Else C Vellinga
AU  - Naritsada Thongklang
PY  - 2026
DA  - 2026/10/30
JO  - MycoKeys
DO  - 10.3897/mycokeys.142.201080
UR  - https://europepmc.org/article/MED/42999797
AB  - Based on unique morphological characters and molecular phylogenetic analysis, Lasiolepiota is described as a new genus comprising two new species, La. oinochroa and La. thailandica , collected from the forests of Laos and Thailand. Lasiolepiota is characterized by a glabrous patch at pileus center, small to large basidiomata covered with a thick layer of fibrous felt or woolly floccules, free and white lamellae, a fragile annulus, a similar pileus- and stipe covering a complex hyphal type of structure composed of irregular and branched hyphae, hyaline, ellipsoid, ovoid to amygdaliform basidiospores, clavate to fusiform cheilocystidia, and no pleurocystidia. Furthermore, the molecular phylogenetic analysis of combined gene sequences (ITS, LSU, rpb 2, and tef 1-α) confirmed that Lasiolepiota is a part of the Agaricaceae s.str., and distinctly separate from other genera.
SN  - 1314-4057
SN  - 1314-4049
ER  -