Welcome to the forums fegor. It is a Mahonia . https://www.google.co.uk/search?q=m...BcGAPdzogeAN&ved=0CAgQ_AUoAQ&biw=1920&bih=967
Mahonia is generally recognized as part of Berberis now. But the name mahonia will still be quite relevant for these plants I think. http://www.ars-grin.gov/cgi-bin/npgs/html/genform.pl http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=103816