DAVYDOV, EVGENY A., and LIDIA S. YAKOVCHENKO. 2024. “Validation of the Lectotypification of the Name <em>Umbilicaria africana</em> (<em>Umbilicariaceae</em>, Lichenized <em>Ascomycota</Em>)”. Phytotaxa 665 (3):300-300. https://doi.org/10.11646/phytotaxa.665.3.12.