Selaginella pseudorepanda (Selaginellaceae), a new spikemoss from southern Vietnam
UDC 582.382.22:581.96(597)
Keywords:
morphology, new species, phylogenetic analysis, rbcL, Selaginella repanda, spores
Abstract
A morphological and molecular phylogenetic study of Selaginella specimens from Khanh Hoa, Dong Nai, and Dak Lak Provinces of Vietnam, previously identified as S. repanda, was conducted. As a result, it was concluded that these specimens represent a new species described here as S. pseudorepanda. Morphologically, this species resembles S. kurzii and S. repanda, but it is easily distinguished from them by having creeping main stems, a contiguous and imbricate arrangement of dorsal and ventral leaves on the main stems and branchlets, margins of ventral and axillary leaves densely long-ciliate, and ovate dorsal leaves with acuminate apex. The molecular phylogenetic analysis resolves S. pseudorepanda as a sister to S. minutifolia. Moreover, results of the spore morphology study also confirm that S. pseudorepanda is a distinct species.
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References
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Alston A. H. G. 1945. An enumeration of the Indian species of Selaginella. Proc. Natl. Inst. Sci. India, B 11(3): 211–235.
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Chang C. Y., Liu Q. R., Chen X. D. 2002. Megaspore morphology of eight species of Selaginella. Journal of Chinese Electron Microscopy Society 21(5): 566–567.
Chen C.-W., Hsu T.-C., Doan H. S., Do V.H., Luu H. T., Le V. S., Liu Y.-C., Li C.-W., Huang Y.-M., Chung K.-F. 2023. Studies of Vietnamese Pteridophyte Flora 2. Syst. Bot. 48, 2: 159–172. https://doi.org/10.1600/036364423X16847773873161
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Edgar R. C. 2004. MUSCLE: multiple sequence alignment with high accuracy and high throughput. Nucleic Acids Res. 32(5): 1792–1797. https://doi.org/10.1093/nar/gkh340
Fraser-Jenkins C. R., Gandhi K. N., Kholia B. S., Benniamin A. 2017. Selaginellaceae. In: An annotated checklist of Indian Pteridophytes, Pt. 1 (Lycopodiaceae to Thelypteridace). Dehra Dun: Bishen Singh Mahendra Pal Singh. Pp. 27–53.
Huang L., Li S.-H., Dong S.-Y. 2022. Two new species of the Lycophyte genus Selaginella (Selaginellaceae) from China, with notes on phylogenetic position of related species. Syst. Bot. 47, 1: 85–96. https://doi.org/10.1600/036364422X16442668423400
Huang T. C. 1981. Spore flora of Taiwan. Taipei: Botany Department Press, National Taiwan University. Pp. 105–111.
Kalyuzhny S. S., Plugatar Y. V., Shalimov A. P. 2024. Modern taxonomic list of Pteridophytes (including Lycopodiopsida class) for the Socialist Republic of Vietnam. Indian Fern J. 41, 1: 53–75.
Kumar S., Stecher G., Li M., Knyaz C., Tamura K. 2018. MEGA X: Molecular evolutionary genetics analysis across computing platforms. Molec. Biol. Evol. 35(6): 1547–1549. https://doi.org/10.1093/molbev/msy096
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Letunic I., Bork P. 2024. Interactive Tree of Life (iTOL) v6: recent updates to the phylogenetic tree display and annotation tool. Nucl. Acids Res. 52(W1): W78–W82. https://doi.org/10.1093/nar/gkae268
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Minaki M. 1984. Macrospore morphology and taxonomy of Selaginella (Selaginellaceae). Pollen et Spores 26: 421–480.
Pham H. H. 1999. Selaginellaceae. In: Cây cỏ Việt Nam: An illustrated Flora of Vietnam. 2nd ed. Vol. 1. Ho Chi Minh: Tre Publishing House. Pp. 26–36. [In Vietnamese]
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Shalimov A. P., Zaikov V. F., Kalyuzhny S. S., Zhang M.-H., Zhang X.-C. 2024. The recovery of Selaginella flaccida based on morphological and molecular data, with the description of S. khokhrjakovii from Indo-China and Peninsular Malaysia. Bot. Pacifica 13(1): 45–54. https://doi.org/10.17581/bp.2024.13105
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Tagawa M., Iwatsuki K. 1979. Selaginellaceae. In: R. C. Bakhuizen et al. (eds.). Flora of Thailand. Vol. 3(1). Pteridophytes. Bangkok: The Tistr Press. Pp. 14–32.
Thiers B. [2025]. Index Herbariorum: A global directory of public herbaria and associated staff. New York Botanical Gardenʼs Virtual Herbarium. URL: http://sweetgum.nybg.org/ih/ (Accessed 16 May 2025).
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Weststrand S., Korall P. 2016. Phylogeny of Selaginellaceae: There is value in morphology after all! Amer. J. Bot. 103(12): 2136–2159. https://doi.org/10.3732/ajb.1600156
Wong K. M. 1983. Critical observations on Peninsular Malaysian Selaginella. The Garden's Bulletin, Singapore 35(4): 107–135.
Wong K. M. 2010. Selaginelaceae. In: B. S. Parris, R. Kiew, R. C. K. Chung, L. G. Saw, E. Soepadmo (eds.). Flora of Peninsular Malaysia, Series I: Ferns and lycophytes. Vol. 1 (Malayan Forest Records No. 48). Kepong: Forest Research Institute Malaysia. Pp. 50–86.
Wu Y.-D., Zhang H.-R., Zhang X.-C. 2017. Selaginella guihaia (Selaginellaceae): A new spikemoss species from southern China and northern Vietnam around the Gulf of Tonkin. PhytoKeys 80: 41–52. https://doi.org/10.3897/phytokeys.80.11126
Yan D., Wang L. J., Song Y. Y., Wang L., Du T. T., Liu J. X. 2016. Microspore morphology of Selaginellaceae in China and its systematic significance. Pl. Syst. Evol. 302: 561–574. https://doi.org/10.1007/s00606-016-1284-8
Ye Z.-Y., Lu N. T., Zhang L., Zhou X.-M., Zhang L. B. 2020. Selaginella coriaceifolia (sect. Heterostachys; Selaginellaceae), a new lycophyte species from central Vietnam. Phytotaxa 453(2): 121–129. https://doi.org/10.11646/phytotaxa.453.2.3
Zhang M.-H., Yang J., Luu H. T., Tran G., Zhang X.-C. 2022. Selaginella pseudotamariscina (Selaginellaceae), an overlooked rosette-forming resurrection spikemoss from Vietnam. Guihaia 42(10): 1632–1640. https://doi.org/10.11931/guihaia.gxzw202104055
Zhang X.-C., Nooteboom H. P., Kato M. 2013. Selaginellaceae. In: Z. Y. Wu, P. H. Raven, D. Y. Hong (eds.). Flora of China. Vol. 2–3. Beijing: Science Press, St. Louis: Missouri Botanical Garden Press. Pp. 37–66.
Zhang X.-C., Shalimov A. P., Kang J. S., Zhang M.-H. 2020. Selaginella subvaginata (Selaginellaceae), a new spikemoss from China. Journal of Species Research 9(3): 221–232. https://doi.org/10.12651/JSR.2020.9.3.221
Zhou X. M., Jiang L. J., Zhang L., Gao X. F., He Z. R., Zhang L. B. 2015. Spore morphology of Selaginella (Selaginellaceae) from China and its systematic significance. Phytotaxa 237(1): 1–67. https://doi.org/10.11646/phytotaxa.237.1.1
Zhou X.-M., Rothfels C. J., Zhang L., He Z.-R., Pechon T. L., He H., Lu N. T., Knapp R., Lorence D., He X.-J., Gao X.-F., Zhang L.-B. 2016. A large-scale phylogeny of the lycophyte genus Selaginella (Selaginellaceae: Lycopodiopsida) based on plastid and nuclear loci. Cladistics 32(4): 360–389. https:// doi.org/10.1111/cla.12136
Alston A. H. G. 1945. An enumeration of the Indian species of Selaginella. Proc. Natl. Inst. Sci. India, B 11(3): 211–235.
Alston A. H. G. 1951. Selaginellaceae. In: H. Lecomte (ed.). Flore generale de I’Indo-Chine. Paris: Masson. Pp. 555–594.
Chang C. Y., Liu Q. R., Chen X. D. 2002. Megaspore morphology of eight species of Selaginella. Journal of Chinese Electron Microscopy Society 21(5): 566–567.
Chen C.-W., Hsu T.-C., Doan H. S., Do V.H., Luu H. T., Le V. S., Liu Y.-C., Li C.-W., Huang Y.-M., Chung K.-F. 2023. Studies of Vietnamese Pteridophyte Flora 2. Syst. Bot. 48, 2: 159–172. https://doi.org/10.1600/036364423X16847773873161
Darriba D., Taboada G.L., Doallo R., Posada D. 2012. jModelTest 2: more models, new heuristics and parallel computing. Nature Methods 9(8): 772. https://doi.org/10.1038/nmeth.2109
Edgar R. C. 2004. MUSCLE: multiple sequence alignment with high accuracy and high throughput. Nucleic Acids Res. 32(5): 1792–1797. https://doi.org/10.1093/nar/gkh340
Fraser-Jenkins C. R., Gandhi K. N., Kholia B. S., Benniamin A. 2017. Selaginellaceae. In: An annotated checklist of Indian Pteridophytes, Pt. 1 (Lycopodiaceae to Thelypteridace). Dehra Dun: Bishen Singh Mahendra Pal Singh. Pp. 27–53.
Huang L., Li S.-H., Dong S.-Y. 2022. Two new species of the Lycophyte genus Selaginella (Selaginellaceae) from China, with notes on phylogenetic position of related species. Syst. Bot. 47, 1: 85–96. https://doi.org/10.1600/036364422X16442668423400
Huang T. C. 1981. Spore flora of Taiwan. Taipei: Botany Department Press, National Taiwan University. Pp. 105–111.
Kalyuzhny S. S., Plugatar Y. V., Shalimov A. P. 2024. Modern taxonomic list of Pteridophytes (including Lycopodiopsida class) for the Socialist Republic of Vietnam. Indian Fern J. 41, 1: 53–75.
Kumar S., Stecher G., Li M., Knyaz C., Tamura K. 2018. MEGA X: Molecular evolutionary genetics analysis across computing platforms. Molec. Biol. Evol. 35(6): 1547–1549. https://doi.org/10.1093/molbev/msy096
Lellinger D. B. 2002. A modern multilingual glossary for taxonomic pteridology (English and Spanish Edition). Washington: American Fern Society, Inc. 263 pp.
Letunic I., Bork P. 2024. Interactive Tree of Life (iTOL) v6: recent updates to the phylogenetic tree display and annotation tool. Nucl. Acids Res. 52(W1): W78–W82. https://doi.org/10.1093/nar/gkae268
Liu J. X., Sun X. H., Jin Y. Y., Lu L., Yu X. X., Zhang X.-C. 2003. Spore morphology of eight species of Selaginellaceae from Yunnan. Acta Bot. Yunnan. 25(3): 303–312.
Minaki M. 1984. Macrospore morphology and taxonomy of Selaginella (Selaginellaceae). Pollen et Spores 26: 421–480.
Pham H. H. 1999. Selaginellaceae. In: Cây cỏ Việt Nam: An illustrated Flora of Vietnam. 2nd ed. Vol. 1. Ho Chi Minh: Tre Publishing House. Pp. 26–36. [In Vietnamese]
Phan K. L., Vu T. D., Nguyen C. T., Pham V. T., Trinh N. B. 2019. A checklist of pteridophytes collected on Cham Chu mountains and adjacent sites. Acad. J. Biol. 41(4): 75–89. https://doi.org/10.15625/0866-7160/v41n4.14639
Ronquist F., Huelsenbeck J. P. 2003. MrBayes 3: Bayesian phylogenetic inference under mixed models. Bioinformatics 19(12): 1572–1574. https://doi.org/10.1093/bioinformatics/btg180
Shalimov A. P., Zhu Y. M., Zhang M.-H., Zhang X.-C. 2019. Selaginella dianzhongensis (Selaginellaceae), a new spikemoss from China. PhytoKeys 118: 75–87. https://doi.org/10.3897/phytokeys.118.30375
Shalimov A. P., Zaikov V. F., Kalyuzhny S. S., Zhang M.-H., Zhang X.-C. 2024. The recovery of Selaginella flaccida based on morphological and molecular data, with the description of S. khokhrjakovii from Indo-China and Peninsular Malaysia. Bot. Pacifica 13(1): 45–54. https://doi.org/10.17581/bp.2024.13105
Singh S. K., Yadav B. B., Srivastava M., Shukla P. K., Srivastava G. K. 2014. Micro-morphology of Selaginella megaspores from India. Grana 53(3): 197–220. https://doi.org/10.1080/00173134.2014.919356
Tagawa M., Iwatsuki K. 1979. Selaginellaceae. In: R. C. Bakhuizen et al. (eds.). Flora of Thailand. Vol. 3(1). Pteridophytes. Bangkok: The Tistr Press. Pp. 14–32.
Thiers B. [2025]. Index Herbariorum: A global directory of public herbaria and associated staff. New York Botanical Gardenʼs Virtual Herbarium. URL: http://sweetgum.nybg.org/ih/ (Accessed 16 May 2025).
Wang L. J., Zhang X.-C., Liu J. X. 2018. Studies on the complementary relationship of surface ornamentations between megaspores and microspores of Selaginella P. Beauv. (Selaginellaceae). Microsc. Res. Tech. 81(12): 1–15. https://doi.org/10.1002/jemt.23148
Weststrand S., Korall P. 2016. Phylogeny of Selaginellaceae: There is value in morphology after all! Amer. J. Bot. 103(12): 2136–2159. https://doi.org/10.3732/ajb.1600156
Wong K. M. 1983. Critical observations on Peninsular Malaysian Selaginella. The Garden's Bulletin, Singapore 35(4): 107–135.
Wong K. M. 2010. Selaginelaceae. In: B. S. Parris, R. Kiew, R. C. K. Chung, L. G. Saw, E. Soepadmo (eds.). Flora of Peninsular Malaysia, Series I: Ferns and lycophytes. Vol. 1 (Malayan Forest Records No. 48). Kepong: Forest Research Institute Malaysia. Pp. 50–86.
Wu Y.-D., Zhang H.-R., Zhang X.-C. 2017. Selaginella guihaia (Selaginellaceae): A new spikemoss species from southern China and northern Vietnam around the Gulf of Tonkin. PhytoKeys 80: 41–52. https://doi.org/10.3897/phytokeys.80.11126
Yan D., Wang L. J., Song Y. Y., Wang L., Du T. T., Liu J. X. 2016. Microspore morphology of Selaginellaceae in China and its systematic significance. Pl. Syst. Evol. 302: 561–574. https://doi.org/10.1007/s00606-016-1284-8
Ye Z.-Y., Lu N. T., Zhang L., Zhou X.-M., Zhang L. B. 2020. Selaginella coriaceifolia (sect. Heterostachys; Selaginellaceae), a new lycophyte species from central Vietnam. Phytotaxa 453(2): 121–129. https://doi.org/10.11646/phytotaxa.453.2.3
Zhang M.-H., Yang J., Luu H. T., Tran G., Zhang X.-C. 2022. Selaginella pseudotamariscina (Selaginellaceae), an overlooked rosette-forming resurrection spikemoss from Vietnam. Guihaia 42(10): 1632–1640. https://doi.org/10.11931/guihaia.gxzw202104055
Zhang X.-C., Nooteboom H. P., Kato M. 2013. Selaginellaceae. In: Z. Y. Wu, P. H. Raven, D. Y. Hong (eds.). Flora of China. Vol. 2–3. Beijing: Science Press, St. Louis: Missouri Botanical Garden Press. Pp. 37–66.
Zhang X.-C., Shalimov A. P., Kang J. S., Zhang M.-H. 2020. Selaginella subvaginata (Selaginellaceae), a new spikemoss from China. Journal of Species Research 9(3): 221–232. https://doi.org/10.12651/JSR.2020.9.3.221
Zhou X. M., Jiang L. J., Zhang L., Gao X. F., He Z. R., Zhang L. B. 2015. Spore morphology of Selaginella (Selaginellaceae) from China and its systematic significance. Phytotaxa 237(1): 1–67. https://doi.org/10.11646/phytotaxa.237.1.1
Zhou X.-M., Rothfels C. J., Zhang L., He Z.-R., Pechon T. L., He H., Lu N. T., Knapp R., Lorence D., He X.-J., Gao X.-F., Zhang L.-B. 2016. A large-scale phylogeny of the lycophyte genus Selaginella (Selaginellaceae: Lycopodiopsida) based on plastid and nuclear loci. Cladistics 32(4): 360–389. https:// doi.org/10.1111/cla.12136
Published
2026-03-12
How to Cite
Shalimov A. P., Zaikov V. F., Skaptsov M. V., Averyanov L. V., Dang V. S. Selaginella pseudorepanda (Selaginellaceae), a new spikemoss from southern Vietnam // Turczaninowia, 2026. Vol. 29, № 1. P. 57–68 DOI: 10.14258/turczaninowia.29.1.9. URL: https://turczaninowia.asu.ru/article/view/19016.
Section
Science articles
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