This category contains articles related to the native flora of Southwestern Europe.

• For the purposes of this category, "Southwestern Europe" is defined in accordance with the World Geographical Scheme for Recording Plant Distributions (WGSRPD), namely as a region within the botanical continent of Europe that includes the following areas, typically defined by the political boundaries of its constituents:
  • the Balearic Islands
  • Corsica
  • France
    • the Channel Islands
    • Monaco
  • Portugal
  • Sardinia
  • Spain
    • Andorra
    • Gibraltar
• Native taxa of the lowest rank are included if they occur widely in the region, otherwise they should be included in the flora of one or more of the constituent areas. Higher taxa are included only if endemic.