and how the hell do you get rid of it? d**n stuff comes back as soon as its been removed.
(http://i7.photobucket.com/albums/y257/jesssands1/ABCD0002.jpg)
it's an oxalis of some sort
You get rid of it with difficulty, as every tiny tuber will sprout. If you're desperate to be without it, I'd suggest black plastic over the whole area.
thanks folks, its a nightmare.