I suspect that this is wild species because I don't remember planting it. The nicely shaped leaves just spread abundantly to cover the ground with the help of their branching stems. Please help in identifying, thanks!
Looks like Ranunculus repens...creeping buttercup. https://www.google.co.uk/search?q=R...ChMI0qatpvucxwIVa0fbCh3ceADv&biw=1536&bih=728