Can anyone identify this weed?

samanya, Feb 2, 1:06pm
Looks a lot like hydrocotyl.

stevee6, Feb 2, 1:07pm
Looks like it to me too - and it's a pig. Lots of thready roots.

ry5, Feb 2, 1:10pm
Thanks, I really need to get in a weed it all out, it's starting to take over.My plants are all quite stunted this year, although plenty of fruit on them.

jofes, Feb 3, 9:27am
Its a shit of a weed and I find it very hard to get rid of !

jphs, Feb 21, 4:42am
it's PITA weed
stands for Pain In The Arse weed.