It’s really just a matter of whether you like it or not - keep it if you do, get rid if you don’t.

it is lesser celandine and is a British native [wild flower]. in some parts of the garden I love it in other places it is a weed. so it is up to you. if you dig them up make sure you don't leave the little brown corms behind as this is how they spread.

Thanks you are both right as I do like it in some areas of the garden, so will dig up where it's not wanted.

If yo leave it you will get it where you do want it and where you don't. Its many times worse worse than dandelions for spreading here.

Always looks so lovely on roadside verges, but a no- no for the garden, all those bulbils, as bad as some wild Oxalis types.