Which flower is also called sword lily?
Correct answer: Gladiolus

WildNikiti
There are not exclusive to these areas. Gladioli can be found in many gardens in Ireland and the UK.

Castra
Phantom.Mike,
Not introduced, wild native species.

Castra
Clauclau,
Actually there is a wild type of gladiolus that grows in the UK.
It's a smallish purple flower that is only found in the New Forest in Hampshire ( Southern England)

Phantom.Mike
WildNikiti,
Sure - introduced species.

Clauclau
WildNikiti, but they are native / grow in the wild in the regions named

Richard
never ever heard of a gladiolus called a sword lily although it was an obvious answer.

Maestro1313
Bulb plants.