List of extinct plants of the British Isles

The flowering plant families appearing most frequently in the list are the Asteraceae and the Orchidaceae.

Commonly cited reasons for plant extinctions in the UK include habitat loss, drainage, changes to farming systems and overgrazing.

The most threatened habitats in the UK include meadows, peat bogs and marshes.

The United Kingdom and Ireland both have a relatively small proportion of forest cover compared to other countries.

[14] Charities involved in plant conservation in the UK include The Wildlife Trusts, Plantlife, The Botanical Society of Britain and Ireland, Back From The Brink and Chester Zoo.

Ajuga genevensis in Germany in 2007. This species is extinct across the whole of the British Isles.
Matthiola sinuata is extinct in Scotland and possibly Ireland and rare or absent in the rest of the British Isles
Spiranthes romanzoffiana recently became extinct in England