On 28 Jan, 13:20, "Robert \(Plymouth\)"
remove my other hobby to reply
wrote:
A group from our association have made a lovely memorial garden at the
Woodside Animal Sanctuarywww.theonly.net/woodside*but this weed is
starting to come through in different placeshttp://tinyurl.com/2396p6
Can you tell me what it is and the best way to deal with it please? Got a
feeling it's a nasty one. Have seen a yellow flower coming on one of the
plants. Look forward(?) to your replies.

Looks like lesser celandine to me.