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Peer-reviewedCC BY 4.0PLOS One

A review of Acromastigum (Lepidoziaceae, Marchantiophyta) in East Indochina

  • Vadim A. Bakalin1
  • Yulia D. Maltseva2
  • Ksenia G. Klimova3
  • Seung Se Choi
  • Van Sinh Nguyen
  • Hung Manh Nguyen
  1. 1Laboratory of Cryptogamic Biota, Botanical Garden-Institute FEB RAS, Vladivostok, Russia
  2. 2Team of National Ecosystem Survey, National Institute of Ecology, Seocheon, Republic of Korea
  3. 3Institute of Biology, Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Ha Noi, Vietnam
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Abstract

Acromastigum A. Evans is revised in East Indochina. The distribution of six species is documented, including one species whose occurrence is not supported by available materials. One new-to-science species from the species-poor subgenus Acromastigum is described from the Lâm Viên Plateau of the Central Highlands of Vietnam. The report of Acromastigum curtilobum for Thailand is based on incorrect identification and should be referred to A. herzogii. Acromastigum echinatum and A. laevigatum are observed for the first time in Cambodia. A large number of new localities of A. herzogii have been found in Vietnam, where the species distribution extends from North Vietnam through the Annamite Range to the Lâm Viên Plateau. This species is the most common representative of the genus in East Indochina. Morphological and molecular data reveal a more natural relationship of A. herzogii and A. stellare to subg. Inaequilatera than to subg. Acromastigum, as previously suggested. These two subgenera are also distinct in their rhizoid distribution, which was not noted in previous research. Overall, Acromastigum is an uncommon component of plant communities in East Indochina and has never been found with either sporophytes or fertilized archegonia, suggesting its high sensitivity to disturbances in forest communities.

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Cite

BibTeXRIS
BibTeX
@article{bakalin2026review,
  title = {{A review of Acromastigum (Lepidoziaceae, Marchantiophyta) in East Indochina}},
  author = {Vadim A. Bakalin and Yulia D. Maltseva and Ksenia G. Klimova and Seung Se Choi and Van Sinh Nguyen and Hung Manh Nguyen},
  journal = {PLOS One},
  year = {2026},
  month = sep,
  doi = {10.1371/journal.pone.0356719},
  url = {https://doi.org/10.1371/journal.pone.0356719},
  note = {CC BY 4.0},
}
RIS
TY  - JOUR
TI  - A review of Acromastigum (Lepidoziaceae, Marchantiophyta) in East Indochina
AU  - Vadim A. Bakalin
AU  - Yulia D. Maltseva
AU  - Ksenia G. Klimova
AU  - Seung Se Choi
AU  - Van Sinh Nguyen
AU  - Hung Manh Nguyen
PY  - 2026
DA  - 2026/09/03
JO  - PLOS One
DO  - 10.1371/journal.pone.0356719
UR  - https://doi.org/10.1371/journal.pone.0356719
AB  - Acromastigum A. Evans is revised in East Indochina. The distribution of six species is documented, including one species whose occurrence is not supported by available materials. One new-to-science species from the species-poor subgenus Acromastigum is described from the Lâm Viên Plateau of the Central Highlands of Vietnam. The report of Acromastigum curtilobum for Thailand is based on incorrect identification and should be referred to A. herzogii. Acromastigum echinatum and A. laevigatum are observed for the first time in Cambodia. A large number of new localities of A. herzogii have been found in Vietnam, where the species distribution extends from North Vietnam through the Annamite Range to the Lâm Viên Plateau. This species is the most common representative of the genus in East Indochina. Morphological and molecular data reveal a more natural relationship of A. herzogii and A. stellare to subg. Inaequilatera than to subg. Acromastigum, as previously suggested. These two subgenera are also distinct in their rhizoid distribution, which was not noted in previous research. Overall, Acromastigum is an uncommon component of plant communities in East Indochina and has never been found with either sporophytes or fertilized archegonia, suggesting its high sensitivity to disturbances in forest communities.
SN  - 1932-6203
ER  -