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LU, N.T., ZHANG, L., THANH, N.T., TOAN, L.C. and ZHANG, L.-B. 2023. Three new species and one new record of the fern genus <em>Polystichum </em>(Dryopteridaceae) from Vietnam. Phytotaxa. 607, 1 (Aug. 2023), 85–94. DOI:https://doi.org/10.11646/phytotaxa.607.1.7.