Prodromus of a fern flora of Bolivia. XLII. Update I. Author Kessler, Michael Systematic and Evolutionary Botany, University of Zurich, Zollikerstrasse 107, CH- 8008 Zurich, Switzerland. Author Smith, Alan R. University Herbarium, 1001 Valley Life Sciences Bldg. # 2465, University of California, Berkeley, CA 94720 - 2465. Author Øllgaard, Benjamin Department of Biology - Ecoinformatics and Biodiversity, Ny Munkegade 116, building 1137, 8000 Aarhus C, Denmark. Author Matos, Fernando B. Centro de Referência em Informação Ambiental (CRIA), Rua João Carlos do Amaral 500, 13070 - 111, Campinas, SP, Brasil. Author Moran, Robbin C. New York Botanical Garden, 2900 Southern Blvd., Bronx, New York, 10458 - 5126, USA. text Phytotaxa 2023 2023-12-20 630 3 183 210 https://phytotaxa.mapress.com/pt/article/download/phytotaxa.630.3.2/51376 journal article 10.11646/phytotaxa.630.3.2 1179-3163 10409920 Hymenasplenium In Kessler & Smith (2018c) , we included a species under the name Diplazium praestans (Copel.) Maxon ex C.V.Morton in the family Athyriaceae as one of two species of Diplazium with undivided leaves. More recently, molecular and morphological data have shown that this species in fact belongs in the family Aspleniaceae , where it is nested within Hymenasplenium ( Riibe et al . 2021 ) . This is the only species of Hymenasplenium with undivided leaves and increases the number of Hymenasplenium species known from Bolivia to six ( Kessler & Smith 2018b ). The correct name for this species thus is: