Graham Nicholls - Note: Campanula seraglio, this species is fairly new to cultivation and is in the same group as Campanula betulifolia, Campanula troegerae, Campanula choruhensis etc.
Turkey
Graham Nicholls - Note: Campanula choruhensis was introduced into cultivation by Josef Halda in the early 1990s via seed from Rocky Mountain Rare Plants and is one of the best campanula introductiion ever.