No verified plant species meet the strict criterion of being endemic only to Saudi Arabia.
Define “endemic to Saudi Arabia” as species found nowhere else on Earth. Apply that rule and current, authoritative sources (Kew, GBIF, national checklists, peer‑reviewed floras) show no plant with a confirmed range limited solely to Saudi Arabia. Use this strict filter and the list is empty.
Understand why this happens. Plant ranges often cross modern borders, so many species are “near‑endemic” to the Arabian Peninsula or to border regions (for example, plants restricted to the Asir Mountains or the Hejaz escarpment that also occur in Yemen or Oman). Taxonomy changes and updated surveys move records across names and countries. Survey gaps and old, unverifiable records also prevent confident claims of strict national endemism. Check authoritative sources to verify any doubtful records.
Explore close alternatives. Compile lists of plants endemic to the Arabian Peninsula, regional endemics by province (Asir, Hejaz, Najd, Rub’ al Khali), and Saudi Arabia’s rare or threatened species from IUCN and national red lists. Use Kew’s Plants of the World Online, GBIF occurrence data, and Saudi flora checklists to build near‑endemic, regional, or conservation‑priority lists instead.
