Hypochaeris radicata L.
I tried to open your link, Luis, but failed. I then searched & found it.
:)
ok.....here's the common name: Catsear; a/k/a flatweed or false dandelion.
Scientific name: Hypochaeris radicata or Hypochoeris radicata.
Found this info @: http://en.wikipedia.org/wiki/Catsear.
:)
Lat: 44.96, Long: 14.39
Spotted on Apr 26, 2011
Submitted on Apr 26, 2011