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DAVYDOV, E.A. and YAKOVCHENKO, L.S. 2024. Validation of the lectotypification of the name <em>Umbilicaria africana</em> (<em>Umbilicariaceae</em>, lichenized <em>Ascomycota</em>). Phytotaxa. 665, 3 (Sep. 2024), 300–300. DOI:https://doi.org/10.11646/phytotaxa.665.3.12.