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 Revised key to the Bolivian species of Enterosora 1 Blades (1) 2–3.5 cm wide, variably subentire to sinuate or crenate; sori immersed in depressions, in 3–5 series between midribs and blade margins ................................................................................................................................................................. E. trifurcata - Blades mostly 4–10 cm wide, pinnatifid to pinnatisect; sori not immersed, in a single row on each side of the costae. 2 Blades glabrous (except sometimes close to rachises); sori basal, often touching the costae, but not extending to the segment tips ............................................................................................................................................................................................ E. dudleyi - Blades setose; sori distal on the segments, not touching the costae ............................................................................. E. mathewsii