Wikimedia Commons has media related to Flora of the United Kingdom.
- The Flora of the United Kingdom.
- The UK's European territory is part of the Flora of Northern Europe, and includes the Flora of Great Britain and the Northern Ireland section of the Flora of Ireland, the sub-categories which should normally be used in preference.
- Categorization by plant distribution is based on the World Geographical Scheme for Recording Plant Distributions (WGSRPD).