What a plant! Simply fantastically attractive to a variety of insects. The place to find Conopid flies through August and into September, but great for all sorts. Not much still flowering, though, round here this year, after a hot early summer.
My Flickr photos...
Yes, take a look at all the species that interact with it in the interactions carousel. Quite impressive!
On the other hand creeping thistle can be a real pain in pastures, in more senses than one!
University of Edinburgh and Biodiversity Observatory (OU)
Lat/Lng: 54.4905, -0.6089
OS grid ref: NZ902114