Figueiredo, Estrela, Gideon F. Smith, and Ricardo F. De Lima. 2024. “Exploring Pico De São Tomé (São Tomé and Príncipe), a Hotspot for Collecting Plant Specimens During the Colonial Period: Collectors and Itineraries”. Phytotaxa 658 (2). Auckland, New Zealand:178-90. https://doi.org/10.11646/phytotaxa.658.2.5.