VASQUES, J.C., VAGO, W.A. and FIASCHI, P. 2024. A new species of <em>Oxalis </em>sect. <em>Holophyllum </em>(Oxalidaceae) from the Brazilian state of Espírito Santo, discovered with the help of citizen science. Phytotaxa. 663, 5 (Aug. 2024), 294–300. DOI:https://doi.org/10.11646/phytotaxa.663.5.4.